Friday

February 24, 2017
**Chemistry**

High-pressure sodium vapor lamps are used in street lighting. The two brightest lines in the sodium spectrum are at 589.00 and 589.59 nm. What is the diffrence in energy per photon of the radiations corresponding to these two lines?

*Friday, February 24, 2017 by Anonymous*

**science**

1. Which is not a characteristic of the group 1 alkali metals? A. High densities B. Low melting points C. Found in batteries D. Silvery solid 2. which of the following is true of the group 2 alkali earth metals A. they are less dense that the group 1 alkali metals b. They have...

*Friday, February 24, 2017 by Help me*

**physics**

A ball is fired at a speed of 8 m/s at 20˚ above the horizontal from the top of a 5 m high wall. How far from the base of the ball will the ball hit the ground? Also calculate the angle below horizontal the velocity vector makes.

*Friday, February 24, 2017 by yara*

**Pre Calculus 30**

1.How many positive four-digit integers can be formed that are even?9x9x9x5=3645 2.Three differently colored six-sided dice are rolled. In how many different ways can the dice turn up? 6x6x6=216 3.How many positive integers five-digit integers start with the digit 1?1x9x9x9x9=...

*Friday, February 24, 2017 by John*

**Math**

How many square feet of wrapping paper do you need . To wrap a package it is 3.5 feet long 18 inches wide and 2 feet high

*Thursday, February 23, 2017 by Rose carter*

**Math**

A school is holding a Fixed Raffle, where only a certain number of raffle tickets can be sold. The school sold 970 of these tickets for $10 each. One of the tickets will win $2910, two tickets will win $970, and 5 tickets will win $485. What is the expected value of ...

*Thursday, February 23, 2017 by Brianna*

**High School Geometry**

The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of Ï€. since I can't put a URL to the pic I will try to describe it 1/ a ...

*Thursday, February 23, 2017 by Alexa*

**math**

there are 64 seventh graders at a middle school. This is 32% of the students at the school. The sixth graders comprise 38% of the school how many sixth graders attend the middle school

*Thursday, February 23, 2017 by Anonymous*

**Science**

1. The line on the graph below represents an object that is: A: Moving at a constant speed B: Increasing its speed C: Decreasing it's speed D: Not moving at all 2. To determine the acceleration of an object moving in a straight line, you must calculate the change in its speed ...

*Thursday, February 23, 2017 by Reeces*

**math**

there were 825 pupils in a school. 52 percent were boys. more boys joined the school and the percentage of boys became 64 percent of the new total. how many boys joined the school?

*Thursday, February 23, 2017 by peter*

**keshavareddy schoolphysics**

a body is released from the top of the tower Hmetres high. It takes t seconds to reach the ground .where is the body t/2 second after release

*Wednesday, February 22, 2017 by pranitha*

**American Government**

Which of the following is an example of protections under the establishment clause of the first amendment? a. A father objects to his son's school including a daily prayer b. An Amish family objects to a law requiring schooling until age 16 c. Restrictions are placed on the ...

*Wednesday, February 22, 2017 by Rox*

**Physics**

A stone is thrown vertically upward with the velocity of 49.0 m/s. (a) how high will it travel before it starts to fall? (b) how many seconds will it take the stone to reach the highest point?

*Wednesday, February 22, 2017 by Angelo*

**Algebra**

Jameston High School has 2020 students. Its enrollment has been decreasing at a rate of 125 students per year. Townsville High School has 1075 students. Its enrollment has been increasing at a rate of 80 students per year. Assuming the enrollment rates continue: A. Write an ...

*Wednesday, February 22, 2017 by Anonymous*

**Statistics**

A physical fitness association is including the mile run in its secondary-school fitness test for boys. The time for this event for boys in secondary school is normally distributed with a mean of 450 seconds and a standard deviation of 40 seconds. If the association wants to ...

*Tuesday, February 21, 2017 by Jordan*

**Esol**

which sentences is right? The team want to go to the next game early for tryouts.. The team crowded around its coach to hear the last play..the school board set its reserved blue seats in the rain...the opposing team's coaches used its last timeout third quarter...the crowded ...

*Tuesday, February 21, 2017 by Victoria*

**math**

A rock is thrown upward with a velocity of 25 meters per second from the top of a 50 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below?

*Tuesday, February 21, 2017 by kyran*

**Math 115**

While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...

*Monday, February 20, 2017 by Stacy*

**Math**

While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...

*Monday, February 20, 2017 by Karola*

**physics**

In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 17 m/s at an angle of 39 ∘ above the horizontal. How long does it take for the ball to reach the wall if it is 3.8 m away? How high is the ball when it ...

*Monday, February 20, 2017 by ana*

**math**

A 12-meter high post casts a 19-meter shadow. Find the angle of elevation to the sun. -what is/are given? -formula used -solution

*Monday, February 20, 2017 by Daniela*

**math**

A hiker is 400 meters away from the base of the radio tower. The angle of elevation to the top of the tower is 46 degrees . How high is the tower?

*Monday, February 20, 2017 by Daniela*

**Math**

While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...

*Sunday, February 19, 2017 by Karola*

**Math**

What is the volume of a fish tank measuring 50 centimeters long 30 cent wide and 35 cent high

*Saturday, February 18, 2017 by Ernestine*

**Chemistry**

Iron pyrite (FeS2) is the form in which much of the sulfur exists in coal. In the combustion of coal, oxygen reacts with iron pyrite to produce iron(III) oxide and sulfur dioxide, which is a major source of air pollution and a substantial contributor to acid rain. What mass of...

*Thursday, February 16, 2017 by Danana*

**ELA**

This is the poem question 1 is talking about. Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly ring his knell Ding-...

*Thursday, February 16, 2017 by Conexus ELA quiz Help Please*

**SCIENCE HELP**

a bristlecone pine in the white house usually adds a new ring when which of the following occurs? a. earths daily rotation is complete b. the full moon causes a monthly high tide c. the new moon is visible from earths surface d. earths northern hemisphere is titled toward the ...

*Thursday, February 16, 2017 by honk*

**Earth Science**

Slide 1 This is a cumulus cloud. Can you find four things on the word list that you can use to describe this cloud. Cumulus clouds consists of puffy tops, no rain expected, 3,000 ft. high, and flat bottoms. Slide 2 This is an example of towering cumulus clouds. Write down as ...

*Thursday, February 16, 2017 by Sam*

**Science and Hurry!**

What causes land breeze and sea breeze? A) The differential heating of land and sea by the Sun results in the movement of air. B) Hot air from the sea blows over the land because there is a high pressure area over the sea. C) Cold air blows from the land over the sea because ...

*Thursday, February 16, 2017 by JT*

**Math**

From the top of a tower,the angle of depression of a boat is 30degree if the tower is 20cm high how far is the boat from the foot of the tower

*Thursday, February 16, 2017 by Ashifola Davido*

**S S PLEASE HELP PLEASE**

Some Polynesian islands are ring-shaped coral islands that surround a body of water, or (1 point) • copra. • coral. • atolls. • plates. 2. In the mid-1800s, what event played a part in the large increase in British immigration to Australia? (1 point) • Aborigines ...

*Thursday, February 16, 2017 by foxiecold*

**fluid**

1. A vertical seawater lock is 4m wide and 2m high. The water level is 2 m above the base of the lock on one side, there being no water on the other side. The mass of the lock is 2.5 t and the coefficient of friction between the lock and the slides is 0.25. Determine the ...

*Thursday, February 16, 2017 by sam*

**maths**

A school is organising a pen holder making competition using cardboard, if the pen holder is in the shape of a cylinder having base of diameter 28 cm and height 60 cm .If there are 35 competitors, then how much cardboard is required?

*Thursday, February 16, 2017 by none*

**Math , plz help!!!!!!**

A typical Stone on the lowest level of the Great Pyramid in Egypt was a rectangular prism 5 feet long by 5 feet high by 6 feet deep and weighed 15 Tons. what was the volume of the average Stone?? how much did one cubic foot of this stone weigh???plz help this is an emergency ...

*Wednesday, February 15, 2017 by Mimi ramirez*

**science**

What the lines making a circle around the high-pressure area indicate. please sombody help

*Wednesday, February 15, 2017 by susie*

**Business Math**

William has been contracted to paint a school classroom. The classroom is 20 m long, 15 m wide and 5 m high. There are four windows (2m by 3m) and a door (2m by 1m). a) What is the cost of painting the ceiling at N$ 6.50 /m²? b) What is the cost of painting the walls (...

*Wednesday, February 15, 2017 by Lassen*

**social stdies**

why does oil bring wealth to arabia and iraq? 1.abundance of wells 2.low cost of production this one 3.high global demand 4.scarcity of water

*Tuesday, February 14, 2017 by triston*

**social studies?**

I need help with my homework. I have to evaluate free school on: Effectiveness Efficiency Equity

*Tuesday, February 14, 2017 by JJ*

**college algebra**

A rock is thrown upward with a velocity of 20 meters per second from the top of a 37 meter high cliff, and it misses the cliff on the way back down. When will the rock be 4 meters from the water, below? Round your answer to two decimal places.

*Monday, February 13, 2017 by sharena*

**college algebra**

A rock is thrown upward with a velocity of 20 meters per second from the top of a 37 meter high cliff, and it misses the cliff on the way back down. When will the rock be 44 meters from the water, below? Round your answer to two decimal places.

*Monday, February 13, 2017 by sharena*

**physics**

An alpha particle (charge = +2.0e) is sent at high speed toward a gold nucleus (charge = +79e). What is the electric force acting on the alpha particle when the alpha particle is 3.3 ✕ 10-14 m from the gold nucleus?

*Monday, February 13, 2017 by jake*

**Physical Science**

Like water, hydrogen fluoride, HF, and ammonia, NH3, have relatively high boiling points. Explain. A.The polar molecules of each of these materials have relatively strong attractions for themselves, which translates to relatively high boiling points. B. Since these molecules ...

*Monday, February 13, 2017 by Hannah*

**math**

andy counted his steps as he walked halfway around the school. he counted 654 steps. about how many steps is it around the school?

*Monday, February 13, 2017 by peter nick*

**Math and Please Help!**

Jade is painting a rectangular wall. The wall is 4 1/4 yd long and 2 2/3 yd high. The formula for the area of a rectangle is A=bh. What is the area of the wall? I think the answer is 11 and one thirds.

*Monday, February 13, 2017 by JT*

**Science/Weather**

Satellite images help meteorologists in all the following ways except: a) monitoring changes in the strength of storms b) locating areas of high and low pressure systems. c) predicting rainfall amounts d) recording daily high and low temperatures. I think the answer is c or d...

*Monday, February 13, 2017 by HiHi12345Kate*

**Science 6**

Weather maps use isobar lines to show weather conditions. Which of the following info is indicated by these lines? A:high- and low- pressure areas B:high and low temperatures C:precipitation level D:cloud formation I think the answer is A. Thank you

*Monday, February 13, 2017 by Jaden*

**Comprehension**

Volunteer Spotlight: Jane Birch Meet Jane Birch: Having always been described as the “Merry-Little-Helper”, Jane simply loves doing things for other people. Through her passion for volunteering and dedication to serving the community, Jane has always been active in roles ...

*Monday, February 13, 2017 by deyond ng*

**Math**

From the top of a Cliff 90metre high, the angle of depression of a boat on the sea is 26.2 degree.calculate how far the boat is from the from the foot of the cliff and from the top of the cliff

*Sunday, February 12, 2017 by Anonymous*

**college algebra**

A rock is thrown upward with a velocity of 28 meters per second from the top of a 38 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below? Round your answer to two decimal places. Gravity Formula

*Sunday, February 12, 2017 by denise t*

**Managerial Finance**

Gluon Inc. is considering the purchase of a new high pressure glueball. It can purchase the glueball for $200,000 and sell its old low-pressure glueball, which is fully depreciated, for $36,000. The new equipment has a 10-year useful life and will save $44,000 a year in ...

*Sunday, February 12, 2017 by Dakota*

**Algebra**

Set up and solve a system of equations The school that Joe goes to is selling tickets to a spring musical. On the first day of ticket sales the school sold 12 adult tickets and 2 child for a total of $122. The school took $160 on the second day by selling 7 adult tickets and 8...

*Sunday, February 12, 2017 by Angie*

**FSCJ**

please help!! A storage tank 32 m high is filled with pure water. (Assume the tank is open and exposed to the atmosphere at the top.) (a) Find the gauge pressure at the bottom of the tank. (b) Calculate the magnitude of the net force that acts on a square access hatch at the ...

*Sunday, February 12, 2017 by Kim*

**Algebra**

Set up and solve a system of equations for each problem John and Belinda are selling pies for a school fundraiser. Customers can buy apple pies and cherry pies. John sold 3 apple pies and 9 cherry pies for a total of $183. Belinda sold 6 apple pies and 13 cherry pies for a ...

*Sunday, February 12, 2017 by Zoe*

**Science**

A pool ball leaves a 0.6 m high table with an initial horizontal velocity of 2.4 m.s.calculate horizontal and vertical velocity and time taken for the pool ball to fall to the ground

*Sunday, February 12, 2017 by Memos*

**Algebra**

Steve and Belinda are selling pies for a school fundraiser. Customers can buy apple pies and cherry pies. John sold 3 apple pies and 9 cherry pies for a total of $183. Belinda sold 6 apple pies and 13 cherry pies for a total of $276. What is the cost each of one apple pies and...

*Sunday, February 12, 2017 by Zoe*

**physics**

For a flourish at the end of her act, a juggler tosses a single ball high in the air. She catches the ball 3.6 s later at the same height from which it was thrown. Part A-What was the initial upward speed of the ball?2sf

*Saturday, February 11, 2017 by ana22*

**Effective Learning Environment**

You're developing your preschool room arrangement. Which would be the most effective way to divide the classroom? A. Divide the room into different centers using low shelves. B. Divide the room into different centers using shelves that are five feet high. C. Use different ...

*Saturday, February 11, 2017 by Priscila*

**Statistics for Finance**

Question 3 [17 Marks) There are five (5) set of data; A to E is provided for this question. Each group will be assigned to analyze ONE dataset only and answer the questions below. The assigned dataset will be determined by your lecturer in separate announcement in MMLS. Below ...

*Saturday, February 11, 2017 by MohammedFarhanKhan*

**chem**

if the freezing point of the solution is recorded 0.2 degrees C lower than the actual freezing point, will the molar mass determination for the unknown solid be too high or too low?

*Thursday, February 9, 2017 by Brianna Swart*

**Algebra With Pizzazz**

I missed a week of school and I know nothing. Next thing I know we get page 163 and have to do everything on it. I don't know anything it's on System of equations substitutinal method.

*Thursday, February 9, 2017 by Annie*

**History - please check my answers**

Which of the following of protections under the establishment clause of the first amendment? Select 2. -A father objects to his sons school including a daily prayer <<< -an Amish family objects to a law requiring schooling until age 16 -restrictions are placed on the ...

*Thursday, February 9, 2017 by Raya*

**Analytical Chemistry**

1. If the unknown solid were not dried before analysis, would the calculated percent of KHP be too high or too low? Explain

*Thursday, February 9, 2017 by Mia*

**Identifying the Structure of Sentences**

Identify the structure of each of the following sentences as either simple, compound, complex, or compound-complex 1. If this offense is reported, he will receive a severe fine. 2. The apples, peaches, and pears are in the refrigerator. <-- simple 3. Father will fly home ...

*Wednesday, February 8, 2017 by Please check my answers*

**Math**

A flagpole casts a shadow 17 m long. The angle of elevation from the tip of the shadow to the top of the flagpole is 58 . How high is the flagpole to the nearest decimal?

*Wednesday, February 8, 2017 by Juanita*

**Recognizing Compound-Complex Sentences**

Put parentheses around each subordinate clause that you find. 1.The mountain areas are barren, but the valleys are fertile since they are irrigated daily. <--- The subordinate clause is ''since they are irrigated daily.'' and ''but the valleys are fertile.'' 2. The ...

*Wednesday, February 8, 2017 by Please check my answers*

**math**

walk 1 mile to house and 1/2 mile to school how far you walk altogether

*Wednesday, February 8, 2017 by Anonymous*

**Social Studies---Please Help!**

How did Prince Henry of Portugal contribute to maritime exploration? A) He led many voyages west across the Atlantic in search of the West Indies. B) He encouraged the use of ancient pirate routes to explore and find new land. C) He funded any and all exploration voyages for ...

*Wednesday, February 8, 2017 by Don't need to know. Sorry*

**Science---Hurry Please Help!**

What do the lines making a circle around the high-pressure area indicate? A) Areas of equal pressure B) Areas of equal altitude C) An occluded front D) A stationary front

*Wednesday, February 8, 2017 by Don't need to know. Sorry*

**home business, not school**

if I have a package of 470 beads and the package costs $8.90 how much is each individual bead?

*Wednesday, February 8, 2017 by Julia*

**Math Independent & Dependent.**

Hey! I am a Connexus user. I was wondering if anyone could help me on this question because I can't seem to understand independent and dependent variables for some reason. I've tried everything like asking my teacher, doing examples myself, reading from other articles, etc. So...

*Wednesday, February 8, 2017 by Dezi*

**ELA**

That Old Straw Sojourner David Matherne An old patched hat, which was almond with trim-red, Watched as it sat on an old, thin head. And what it saw, and what it knew, Was more than more of you Might even ever construe 5 From just a patched, old hat. It’d seen a child die—...

*Wednesday, February 8, 2017 by Don't need to know. Sorry*

**Math**

There are 90 kids that attend Harlem High School. If 40 are in Mrs. Fetter's class, and 20 are in Mrs. Cassy's class, what percent make up the last classroom?

*Wednesday, February 8, 2017 by Le-Anne*

**Math**

in a school band, 2/5 of the students play wind instruments. In the woodwind section, 1/2 of the students play the clarinet. What part of the band plays the clarinet?

*Tuesday, February 7, 2017 by Maya*

**physics/calculus**

A stone is thrown straight up from the edge of a roof, 600 feet above the ground, at a speed of 12 feet per second. A. Remembering that the acceleration due to gravity is -32 feet per second squared, how high is the stone 6 seconds later? B. At what time does the stone hit the...

*Tuesday, February 7, 2017 by kloe*

**100th day school**

how many does it take to have 100 inches worth of nickels how many would it be

*Tuesday, February 7, 2017 by annahi*

**Math 10C**

Janet needs a rectangular piece of cardboard measuring 21 ft by 24 ft for a school project. a) What is the area of the cardboard in square feet? b) What is the area of the cardboard in square yards? Show your calculations in two different ways. c) The store charges $0.35/m2 ...

*Tuesday, February 7, 2017 by Kevin*

**Social Studies**

Which of the following is a major example of Abraham Lincoln's policy of leniency toward the defeated South? A. Pres Lincoln's willingness to have federal government assume responsibility of the Confederate government's war debts. B. Pres Lincoln's choice to have a Southerner ...

*Tuesday, February 7, 2017 by Help please*

**Physics**

Explain in detail how you would find the density of an unknown high-density object if you had only the objects listed below.If you show calculations, make sure you define your variables.Assume all containers are large enough to hold the object.... You have: - beaker with ...

*Tuesday, February 7, 2017 by Lenny*

**math**

The ratio of girls to boys in a school is 5:3. If there 60 boys, how many girls are in the school? I guessed it is 5+3=8.8/60

*Tuesday, February 7, 2017 by joy*

**Math**

A tennis ball is hit into the air and can be modeled by h=16t*2++40t+3, where h is the height t is the time it takes the ball to travel. 1) At what time t does the ball reach its maximum height above the court? How high did the ball go? 2) How long did it take the ball to hit ...

*Tuesday, February 7, 2017 by Harold*

**Math**

She needs to prepare 160 pounds of blended coffee beans selling for $3.69per pound. She plans to do this by blending together a high-quality bean costing $5.00 per pound and a cheaper bean at $2.00 per pound. To the nearest pound, find how much high-quality ...

*Tuesday, February 7, 2017 by Brandy*

**physics**

Explain in detail how you would find the density of an unknown high-density object if you had only the objects listed below.If you show calculations, make sure you define your variables.Assume all containers are large enough to hold the object.... You have: 1. - A spring scale...

*Monday, February 6, 2017 by Anonymous*

**Physics**

A circus cat has been trained to leap off a 12-m-high platform and land on a pillow. The cat leaps off at v0 = 3.6 m/s and an angle θ = 37°

*Monday, February 6, 2017 by Eric*

**Physics**

Explain in detail how you would find the density of an unknown high-density object if you had only the objects listed below.If you show calculations, make sure you define your variables.Assume all containers are large enough to hold the object.... You have: 1. - A spring scale...

*Monday, February 6, 2017 by James*

**math**

644 students packed a school's auditorium for a assembly. students sat in 12 rows. Rows were divided into 8 sections.

*Monday, February 6, 2017 by shakeela*

**Math**

alex is painting the side of his school. he paints a wall that has an area of 41 1/3 square yards. he uses 1 1/3 gallons of orange paint. what is alex's rate of paint coverage in square yards per gallon?

*Monday, February 6, 2017 by Person*

**English**

1. We are going to start/begin the class debate contest. 2. The school debate contest will be held soon. 3. Let's begin the school debate contest. ---------------------- Can a student use all the directions when he begins the debate as an MC? Do we have to use 'contest'? What ...

*Monday, February 6, 2017 by rfvv*

**Intermediate Algebra**

Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 150 pounds of blended coffee beans selling for $4.45 per pound. She plans to do this by blending together a high-quality bean costing $5.25per pound and a cheaper bean at $3.25 per pound. To the nearest...

*Sunday, February 5, 2017 by Brandy*

**Math**

The mean of five numbers is 20. Four of the numbers are 24,19,25, and 22. What is the fifth number? PLZ HELP ME BEFORE SCHOOL STARTS.show me how to get the answer

*Sunday, February 5, 2017 by Jechica*

**physics**

A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s2.) Show your work for credit.

*Sunday, February 5, 2017 by sophia*

**Physics**

Assume you have a canon aimed straight up. The cannonball is shot at a velocity of v_0=69 m/s. How high does the cannonball go? How much time does it take the cannonball to reach that height?

*Sunday, February 5, 2017 by Robert*

**Supportive Learning Environment**

Which of the following statements is true about stress in young children? A. Children who experience high stress in the early childhood years develop coping skills that result in a higher threshold to stress in later years. B. Stress isn't as harmful in very young children ...

*Sunday, February 5, 2017 by Priscila*

**Psychology Assessment**

1. The fact that online instruments may not be available to individuals who do not have access to computers and/or the Internet raises concerns about the ______________ of online assessments. a. Asian Americans score significantly higher than Whites, which accounts for the ...

*Saturday, February 4, 2017 by Anonymous*

**Maths**

the number of boys to girls in a school is in the ratio 12:13 .if difference hetween no.of boys and girls is 56 how many boys are there in the school

*Saturday, February 4, 2017 by Mathematgs*

**English**

Revise the sentence below to make it more formal: 'You're going to get really fat if you eat at fast foods restaurants all the time. My version: If you continue eating at fast food restaurants all the time, the possibility of becoming obese will be very high. Please check my ...

*Saturday, February 4, 2017 by Tim*

**History**

1. What was described as the "hardest work" slaves did? A: Work in rice fields B: Work in tobacco fields**** C: Work in the lumber business D: work loading and unloading ships in port 2. Which of the following best describes the social class of a small farmer A: Elite of the ...

*Friday, February 3, 2017 by Anonymous human*

**Chemistry**

If 0.35 moles of SO3 is placed in a 1 dm3 flask and allowed to come to equilibrium at a high temperature, 0.207 mole of S03 remains. Calculate Kc For the reaction 2SO3 Double arrow 2SO2 +02

*Friday, February 3, 2017 by Summit*

**science**

A stone is dropped from a balloon going up with a uniform velocity of 5.0 m/s. If the balloon was 50 m high when the stone was dropped, find its height (in meters) when the stone hits the ground. Take g = 10 m/s2 (A) 50 (B) 58 (C) 68 (D) 78.5

*Friday, February 3, 2017 by sam*

**LA ( anyone help or correct me plz**

1. Which question best relates to these details in "Winter"? Frogs burrow the mud / snails bury themselves (1 point) A What happens to frogs in the winter? B How do animals differ from people in the winter? C Why do snails bury themselves? D How do creatures prepare for winter...

*Friday, February 3, 2017 by tita*

**Statistics**

A teacher gives a reading skills test to a third-grade class of n = 25 at the beginning of the school year. To evaluate the changes that occur during the year, students are tested again at the end of the year. Their test scores showed an average improvement of MD = 12.7 points...

*Thursday, February 2, 2017 by Derek*