Sunday
May 1, 2016

Homework Help: High School

History
1. Which data tell you how much the price of goods inflates over a period of time? A. consumer price index B. gross domestic product C. unemployment rate D. economic indicator 2. what does the gross domestic product measure? A. the value of the U.S. and foreign goods during a ...
Tuesday, November 17, 2015 by CountryQueen

Louisiana State History
1. what data tell you how much the price of goods inflates over a period of time? A. consumer price index B. gross domestic product C. unemployment rate D. economic indicator 2. what does the gross domestic product measure? A. the value of the U.S. and foreign goods during a ...
Tuesday, November 17, 2015 by CountryQueen

physic
A kid with a mass of 30 kg slides down a slide 2.5 meters high from rest a. What was his speed at the bottom? b. If his speed was only 1 m/s at the bottom, how much energy was lost due to friction?
Tuesday, November 17, 2015 by Laurdiel

Calc
Gravel is being dumped from a conveyor belt at a rate of 20 {\rm ft}^3{\rm /min}. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 18 ft high?
Monday, November 16, 2015 by Matt

Physics
A cat chases a mouse across a 1.5 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 1.2 m from the edge of the table. What was the cat’s speed when it slid off the table? The acceleration of gravity is 9.81 m/s 2 . Answer...
Monday, November 16, 2015 by Azan

Read the following report of an accident that occurred near a busy intersection. Then write four or five sentences describe the incident from each of the indicated viewpoints. The sixteen-year-old driver of a brand-new Toyota collided with a cement truck that was just pulling ...
Monday, November 16, 2015 by Victoria

English/Creative Writing
Read the following report of an accident that occurred near a busy intersection. Then write four or five sentences describe the incident from each of the indicated viewpoints. The sixteen-year-old driver of a brand-new Toyota collided with a cement truck that was just pulling ...
Monday, November 16, 2015 by Victoria

Science-physics
A ball is thrown horizontally from the top of a building 37.5 m high. The ball strikes the ground at a point 80.3 m from the base of the building. The acceleration of gravity is 9.8 m/s 2 . Find the time the ball is in motion. Answer in units of s.
Monday, November 16, 2015 by Maggie

Physics 1111 at UGA
If a projectile is launched from Earth with a speed equal to the escape speed, how high above the Earth's surface is it when its speed is one third the escape speed?
Monday, November 16, 2015 by Merritt

english
15. Suppose the following sentence appears in the sports section of the newspaper: Lorton's experienced linemen performed well in handing Jefferson High's Eagles a crushing defeat. What word in the sentence is most clearly a loaded word? A. Experienced B. Handing C. ...
Monday, November 16, 2015 by annomis

Algebra 2
I have no idea how to even start this, can someone kinda "point me in the right direction" so to speak. -Compute the time(t) it will take for a tool to fall to the ground when a worker drops from the top of the building. -Function:h(t)=-16t^2th0 where t is the time ...
Monday, November 16, 2015 by Emma

algebra help!
8) While eating in the cafeteria at school, 65%, or 26, of the students in the class ate pizza. find the number of students in the entire class. My guess is 17 students?? PlZ Help!
Monday, November 16, 2015 by reality check

Psychics
a ball is projected horizontally from the edge of a table that is 2.00m high and it strikes the floor at 2.40m from the base of the table. what is the initial speed of the ball
Monday, November 16, 2015 by Noah

nothing
just wanted to say good luck with the school week and work week everybody.
Monday, November 16, 2015 by TayB

Language Arts
Which of the following correctly revises the the sentence so that it is entirely in active voice? A. It has been decided by the school at the regular teacher should not evaluate the class; instead, the assessment should be performed by a visiting scholar. B. The school has ...
Sunday, November 15, 2015 by Danielle

English
Does this make sense? "Because bakers have the skills of a sculptor, it is for certain that wedding cakes are high art."
Sunday, November 15, 2015 by Emma

chemistry Dr BOB
In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq) + MnO4-(aq) ? Mn2+(aq...
Sunday, November 15, 2015 by Dalton

Language
Complite the sentences. A) We headed east on 89 until we crossed the _____ bridge. B) The_____ tournament was being held this year at Morgan secondary school. C) It looked like I would miss my _____ job since i wouldn't get home until after eight. D) Ehen i glanced at the ...
Sunday, November 15, 2015 by Sophie

math
The track team plans to sprint 20 miles this school year. The runners will sprint 1/4 mile each day.How many days will it take them to sprint 20 miles?
Sunday, November 15, 2015 by sarah

Physics 1
A car manufacturer claims that you can drive its new vehicle across a hill with a 47 degree slope before the vehicle starts to tip. If the vehicle is 2.0 meter wide, how high is its center of gravity?
Sunday, November 15, 2015 by Chris

Chemistry Dr. BOB
In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq) + MnO4-(aq) ? Mn2+(aq...
Sunday, November 15, 2015 by Dalton

st. marys orthodox school
how much dilute sulphuric acid add for making 18 g/l of Mohr salt solution
Sunday, November 15, 2015 by reeti anand

precal : conics
a parkway 80 ft. wide is spanned by a parabolic arc 100 ft. long along the horizontal, if the parkway is in the center, how high must the vertex of the arch be in order to give a minimum clearance of 20 over the parkway?
Sunday, November 15, 2015 by rhinechilde

PHYSICS
A BALL IS PROJECTED VERTICALLY UPWARD FROM THE TOP OF A TOWER 60MITRE HIGH WITH A VELOCITY OF 30MITRE PER SECONDS.WHAT IS THE MAXIMUM HEIGHT ABOVE THE GROUND LEVEL?HOW LONG DOES IT TAKE TO REACH THE GROUND?
Sunday, November 15, 2015 by Anonymous

Allanridge Seconday School
I'm doing History , Life science, Geography and maths literacy......I want to do carreers that relate to helping people and assisting them, I'm more focused on doing therapy when I pass grade 12, So how many percentages is it garanteed that I can get a job after Matric
Saturday, November 14, 2015 by Gugu Hope Mbolambi

English
I am writing an argument essay about how wedding cakes are high art. I am having trouble with how I should write my introduction paragraph. I need to write about something that will get my audience interested in my topic but how?
Saturday, November 14, 2015 by Emma

chemistry
In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq) + MnO4-(aq) ? Mn2+(...
Saturday, November 14, 2015 by Dalton

Comprehensive secondary school
Determine the mass of copper(ii)trioxonitrate(v) that will be formed when 15grams of copper is added to excess dilute trioxonitrate(v).{cu=63.5,N=14,O=16} solution cu(No3)2=Cu N2 O6 =63.5+14x2+16x6 =63.5+28+96 =187.5 Number of mole=mass/molar mass =15/187.5 =0.08mol.
Saturday, November 14, 2015 by Pearl

English
Here is the original paragraph and the second one is the corrected on: I remember last year when was trying to choose the right school and worrying about it a lot. One day, a friend says that instead of talking about all the time I should visit a few places and see them. One ...
Friday, November 13, 2015 by jennifer

English
I need help in trying to figure out the verb tense in this sentence I remember last year when was trying to choose the right school and worrying about it a lot. One day, a friend says that, instead of talking about all the time I should visit a few places and actually see them.
Friday, November 13, 2015 by jennifer

English
Please review my complaint letter for school? Is it formatted correctly? November 13, 2015 Apple Inc. 1 Infinite Loop Cupertino, CA 95014-5723 To whom it may concern: I am writing to inform you that the product I’ve ordered from your company has not yet arrived. On ...
Friday, November 13, 2015 by Brooke

High school /physic
Formula of velocity
Friday, November 13, 2015 by Nardos

History
12. What effect did technology have on World War I? It enabled nations to defeat their enemies with few casualties. It greatly increased the number of casualties. <- It decreased the amount of money needed to wage war. Question 13 The desire for independence by __________ ...
Friday, November 13, 2015 by Dee

Language Art's
1.) When MacNeil asks, "When before human history has so much humanity collectivity surrendered so much of its leisure to one toy, one mass diversion?" What is this persuasive technique called? A. repetition B. Generalization C. a rhetorical question D. a ...
Friday, November 13, 2015 by YRN DJ

Math
Suppose just go is selling magazine subscriptions each of the scription cost $20 the company pays the school half of the total sales in dollars the school must also pay a one time fee of$18 right and solve any Quetion to determine the fewest number of the scription that can ...
Friday, November 13, 2015 by Kayla

Precalc
1) Janet is offered a job with a starting salary of $15,000, and a guaranteed annual increase of$600. If she takes the job, what will be her guaranteed salary for the 10th year? What would her total earnings be for the first 10 years? Answer: $21,000 ;$ 198,000 2) Sue's ...
Thursday, November 12, 2015 by Ron

Physics/Science
During a baseball game, a batter hits a pop- up to a fielder 72 m away. The acceleration of gravity is 9.8 m/s^2. If the ball remains in the air for 5 s, how high does it rise?
Thursday, November 12, 2015 by KT

Language Arts
Question and answer review Please help Story. (Arturo’s mother asked him to visit his grandfather, who lives in a nursing home. Arturo did not want to go, but he finally agreed and is now sitting with his grandfather.) ^^^^^^^^paragraph 1^^^^^^^^ His name is Arturo too. I...
Thursday, November 12, 2015 by An hour with Abuelo

Math
A 12 pack of cinnamon scented pencils sells for 3.00 at a school booster club sale. What is the sales tax rate if the total cost of the pencils is 3.21?
Thursday, November 12, 2015 by Anonymous

Career
1.)When considering a post-secondary option, you should consult which of the following sources? A.)Your internal motivation B.)Family & friends C.)Reference Materials D.)All Of Above 2.)Sarah needs to complete financial aid packets. According to this unit, during which school ...
Thursday, November 12, 2015 by YRN DJ

William Pescod High School
History, tourism, biology and mathematical literacy What can I become with these subjects?
Thursday, November 12, 2015 by Mahmood

Algebra
A 42 ft guy wire reaches from the top of a pole to a point on the ground 15 ft. from the pole. Find how high up the pole does the guy wire reach?
Thursday, November 12, 2015 by matt

Health
A pair of police officers broke up a high school party that had no adult supervision. They noticed most teens were talking really fast and excitedly, breathing quickly, and even one teen was having convulsions. When they called paramedics, which type of drug use should they ...
Thursday, November 12, 2015 by Janet

Carson high
Lifetime Healtj Describe how self esteem develops
Wednesday, November 11, 2015 by Katherine mellow

Math
Post a New QuestionCurrent Questions Homework Help: Math Posted by Anonymous on Wednesday, November 11, 2015 at 7:08pm. 3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. Clarkson designed a ...
Wednesday, November 11, 2015 by Anonymous

Math
3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden ...
Wednesday, November 11, 2015 by Anonymous

LERUNTSE LESEDI SEC SCHOOL
I completed my matric in 2013 and I am examted to diploma with the following subjects 1.Setswana-78%=Level 6 2.English-68%=Level 5 3.Afrikaans-57%=Level 4 4.Maths literacy-47%=Level 3 5.L.O-58%=Level 4 6.Economics-47%=Level 3 7.Business Studies-43%=Level 3 My scoring points in...
Wednesday, November 11, 2015 by seunkie johannes

1) Evaluate the effects of the Teapot Dome scandal on citizens' views of the federal government? A: Because of the Teapot Dome scandal, citizens viewed the federal government as corrupt. They lost their faith in the federal government until Harding's successor Calvin ...
Wednesday, November 11, 2015 by Victoria

Kopanang Senior Secondary school
Am in grade 10 am doing maths literac,geograph,life science,life orientation,consumer studies,english an spedi which carrer must I take?
Wednesday, November 11, 2015 by Pretty Molapo

MATH
Patsy has cheer leading practice every fourth day. She wants to be in the school play. but they have practice every sixth day. If both start on September 5th. what would be the next date she has to choose between cheer leading and play practice? the answer is what? I NEED HELP...
Wednesday, November 11, 2015 by princess

Social Studies (Ms. Sue)
1) Evaluate the effects of the Teapot Dome scandal on citizens' views of the federal government? A: Because of the Teapot Dome scandal, citizens viewed the federal government as corrupt. They lost their faith in the federal government until Harding's successor Calvin ...
Wednesday, November 11, 2015 by Victoria

maths
there were 32 boys and 13 girls in a school football team they wanted to play 5 a-side football how many teams can they make?
Wednesday, November 11, 2015 by david

MATH HELP
3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden ...
Wednesday, November 11, 2015 by Anonymous

Pre-Alegebra
3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden ...
Wednesday, November 11, 2015 by Anonymous

Language Arts
Underline the verb in each sentence, and identify its tense. 1. It rained last night. -underline rained and it is past tense 2. We closed all the windows quickly.-underline closed and it is past tense 3. Thunder crashed outside.-underline crashed and it is past tense 4. The ...
Wednesday, November 11, 2015 by Patrick

English
1. In my composion, I tried to give a definition of humor, but I found the idea too (petty, elusive) to pin down. I think pitty is answer 2. Are you going to allow (elusive, petty) quarrels to destroy a friendship that has been built up for so many years? I think elusive 3. We...
Tuesday, November 10, 2015 by sun

Chemistry
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. Given the following data, Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and S = 255 J/mol*K Styrene, C6H5--CH==CH2 : ...
Tuesday, November 10, 2015 by Judith

Unit 1
Math please in a certain school 55 students are taking French this number increases at the rate of 4 student per year the number of student taking Spanish is 95 and has been decreasing at the rate of 6 students per year write and solve an equation to find when the number of ...
Tuesday, November 10, 2015 by Mercy brown

CHEMISTRY!!!!!!!!!!
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. Given the following data, Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and S = 255 J/mol*K Styrene, C6H5--CH==CH2 : ...
Tuesday, November 10, 2015 by Judith

Maths
Esha spent 4/7of her money on carnival customs 2/5on bus and the rest at her school show what fraction of her money was spent at the show
Tuesday, November 10, 2015 by Esha

molate high school
im a grade 11 learner doing life science,maths literacy,geography and business studied which carrier path do i fit in
Tuesday, November 10, 2015 by mxolisi

math
Tasha’s school bus usually drops her off in town every day at 4pm and her mother picks her up at the bus stop. Last Friday was a short school day, only Tasha’s mother forgot so she wasn’t at the bus stop when Tasha was dropped off an hour early, at 3pm. Since ...
Tuesday, November 10, 2015 by DC

maths
Please help me on these problem solving sums. Also show the rough work and answer. First question: If 15% of the children walk to school, 7% cycle to school and 30% come by bus, what percentage come by car ? 2. How much for forty steel nails at €2.50 per 100 ? 3. What is ...
Tuesday, November 10, 2015 by liam

Somanay high school
Two forces of magnetude 6N and 10N act on a particle.their resultant is of magnitude 12N.find the angle between the two forces.
Tuesday, November 10, 2015 by Amos

math
Ms. Bran brought 36 muffins to school. They were equally packed into 4 boxes. How many muffins were in each box?
Tuesday, November 10, 2015 by Tasha

chemistry
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What ...
Monday, November 9, 2015 by Dalton

Chemistry
Magnesia (MgO(s)) is used for fire brick, crucibles and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3(s)) into at around 1200oC Write a balanced equation for the magensite decomposition being sure to include states for the ...
Monday, November 9, 2015 by KYson

Harbor lights middle school
What is the expression for 6 less the product of 10 and x?
Monday, November 9, 2015 by Anonymous

chemsitry dr Bob
Magnesia (MgO(s)) is used for fire brick, crucibles and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3(s)) into at around 1200oC Write a balanced equation for the magensite decomposition being sure to include states for the ...
Monday, November 9, 2015 by KYson

chemsitry dr Bob
Magnesia (MgO(s)) is used for fire brick, crucibles and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3(s)) into at around 1200oC Write a balanced equation for the magensite decomposition being sure to include states for the ...
Monday, November 9, 2015 by KYson

St. Isaac Jogues Catholic School
The ratio of cats to dogs at a pet show is 1:3,what percent of the pets at the show are cats?
Monday, November 9, 2015 by Trisha

Math
What's Bx42/4385^.09? School project. :P Im guessing 2,343.8
Monday, November 9, 2015 by Hi, hello, and so on.

Physics
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff, the rock has a speed of 32 m/s . Part A Assuming that air resistance can be ignored, find the initial speed of the rock. Part B Find the ...
Monday, November 9, 2015 by Amanda

Math
Jason lives 8 blocks from school. He has walked 2 1/4 blocks. How far does he still have to walk? Thanks so much
Monday, November 9, 2015 by Samantha Johnson

chemistry
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What ...
Monday, November 9, 2015 by Dalton

Spanish
Compared to the rest of the children in the world, children in Costa Rica ____ . a. are very literate*** b. remain uneducated c. are worldly, but literate d. have short school years Just checking my work:) *** - My Answer Thanks, Kaai97
Monday, November 9, 2015 by Kaai97

AP Chemistry
Hey guys! I have answers, but am confused. Please and thanks for any help! A) Which of the following is false? 1.A spontaneous change occurs by itself without assistance. 2.The greater the statistical probability of a state, the greater is its entropy. 3.A non-spontaneous ...
Monday, November 9, 2015 by Allie

Moore Midfle School
IF TEMPERATURE IS 8 DEGREES AT 1200 AM & EACH OF THREE HOURS THE TEMPERATURE DROPS BY 5 DEGREES ,WHAT IS THE TEMPERATURE AT 0300 AM = 3 DEGREES
Monday, November 9, 2015 by Ricky Garcia

Spanish
Help. I need in Spanish! Write a short paragraph explaining some details about school practices and/or activities in schools in the Spanish-speaking world. Thanks, Kaai97
Monday, November 9, 2015 by Kaai97

Allide school
A gymnasium is 50m long and 30m broad. A running track 2. 5m wide runs all around it on the inside. Find the area of the track
Monday, November 9, 2015 by Maneeha

Physics
The school bus slows from 60km/h to 40km/h when entering the scholl zone. a. Calculate the conversation of these speeds from km/h to m/s. b. Given that this change of speed occured over 8 seconds, calculate the average deceleration of the bus. My work... a.60/3.6=17m/s 40/3.6=...
Monday, November 9, 2015 by Ronnie

chemistry
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What ...
Monday, November 9, 2015 by Dalton

Chemistry
Magnesia (MgO(s)) is used for fire brick, crucibles and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3(s)) into at around 1200oC Write a balanced equation for the magensite decomposition being sure to include states for the ...
Monday, November 9, 2015 by Kyson

Chemistry
For each of the following experimental conditions determine whether molar mass would be: 1) too high, B) too low or C) unaffected. In each case, /explain/ how this result occurs a) after removing the flask from the water bath, the experimenter cools the flask to room ...
Sunday, November 8, 2015 by S

Science
For each of the following experimental conditions determine whether molar mass would be: 1) too high, B) too low or C) unaffected. In each case, explain how this result occurs a) after removing the flask from the water bath, the experimenter cools the flask to room temperature...
Sunday, November 8, 2015 by S

physics
The bird perched on the swing shown below has a mass of 41.6 g, and the base of the swing, y = 7.88 cm below the hook, has a mass of 147 g. The swing and bird are originally at rest, and then the bird takes off horizontally at 1.94 m/s. How high will the base of the swing rise...
Sunday, November 8, 2015 by Jackson

Math
Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30 degrees and 45 degrees respectively. If the lighthouse is 100m high, the distance btn the ship is?
Sunday, November 8, 2015 by Sunday

Chemistry
For each of the following experimental conditions determine whether molar mass would be: 1) too high, B) too low or C) unaffected. In each case, /explain/ how this result occurs a) after removing the flask from the water bath, the experimenter cools the flask to room ...
Sunday, November 8, 2015 by S

Chemistry
Magnesia (MgO(s)) is used for fire brick, crucibles and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3(s)) into at around 1200oC Write a balanced equation for the magensite decomposition being sure to include states for the ...
Sunday, November 8, 2015 by Kyson

chemistry
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What ...
Sunday, November 8, 2015 by Dalton

Chemistry
For each of the following experimental conditions determine whether molar mass would be: 1) too high, B) too low or C) unaffected. In each case, /explain/ how this result occurs a) after removing the flask from the water bath, the experimenter cools the flask to room ...
Sunday, November 8, 2015 by S

Chemistry
For each of the following experimental conditions determine whether molar mass would be: 1) too high, B) too low or C) unaffected. In each case, /explain/ how this result occurs a) after removing the flask from the water bath, the experimenter cools the flask to room ...
Sunday, November 8, 2015 by S

Math Word Problem
A teacher from Anderson Middle School printed k nametags in preparation for the science fair. Half of the nametags were given out to students and 100 nametags were given out to parents. Three-fifths of the remaining nametags were given out to teachers and contests judges. How ...
Sunday, November 8, 2015 by Why?

statistic
2. High density lipoprotein (HDL) in healthy males follows a normal distribution with a mean of 50 and a standard deviation of 8. c)What is the 99th percentile of HDL in healthy males? d)If we consider samples of 10 patients, what is the 90th percentile of the mean HDL in ...
Saturday, November 7, 2015 by mary

History
Can someone please check my answer? Thank you for any help you can give! 1) During the colonial period, the economic development of the South was most directly dependent on the labor of: a. Factory workers b. Enslaved Africans c. Wheat farmers d. Irish immigrants My Answer~ b ...
Saturday, November 7, 2015 by Abby

Chemistry
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What ...
Saturday, November 7, 2015 by Dalton

chemistry
Magnesia (MgO(s)) is used for fire brick, crucibles and furnace linings because of its high melting point. It is produced by decomposing magnesite (MgCO3(s)) into at around 1200oC Write a balanced equation for the magensite decomposition being sure to include states for the ...
Saturday, November 7, 2015 by Kyson

maths
A box 48 cm by 48 cm by 36 cm high is made of wood .5 cm thick. If the box has no lid, find the volume of wood used in making the box.
Saturday, November 7, 2015 by Anonymous

Physics
A ship fires its guns with a speed of 400 m/s at an angle of 35 with the horizontal. a. Find the range and maximum altitude. b. If the ship hits a plane that was 12 km away, how high was the plane flying?
Friday, November 6, 2015 by Anonymous

Algebra
If your truck gets 22 high way miles per gallon and your traveling 250 miles. It takes $50 to fill your tank. Gas is$2.40 a gallon how much are you spending on gas
Friday, November 6, 2015 by Kayla