Thursday

September 29, 2016
Total # Posts: 100,231

**Chemistry**

A student performing an experiment mistakenly used 8.0 ml of 16 M HNO3 to dissolve 0.16g of solid copper instead of the 4.0 ml as suggested. how many moles of HNO3 remains after the reaction with copper is complete. 8 moles of HNO3 reacts with 3 moles of Cu im not sure how i ...

*September 29, 2016*

**English**

What part of speech is other in. The sentence The platypus is unlike most other mammals in that it lays eggs

*September 28, 2016*

**Science**

What is the answer for 3g of sugar in 300ml of water

*September 28, 2016*

**algebra**

An investor earned $1,462.50 on an investment of $90,000 in 65 days. Find the annual simple interest rate earned on the investment

*September 28, 2016*

**math**

9+15÷5×13

*September 28, 2016*

**Algebra**

Solve this system using substitution x+2y=8 y=3x+17 I got x=-26/7

*September 28, 2016*

**Math**

Use the digits 2, 4, 6, 8, and any operation or brackets to make an expression that equals to 60.

*September 28, 2016*

**Language Arts **

How does the writer support the statement that dental floss promotes good dental health? With personal opinions with opinions from experts with facts that and statistics with sales information

*September 28, 2016*

**Language Arts **

How does the writer support the statement that dental floss promotes good dental health?

*September 28, 2016*

**Algebra**

You can rule out A and D automatically because the problem has nothing to do with addition. As for the answer, it is B. The commutative property of multiplication states that numbers can be multiplied in any order.

*September 28, 2016*

**CHM 1020**

alculate the amount of heat required to raise the temperature of a 39 g sample of water from 9 ∘C to 21 ∘C

*September 28, 2016*

**math**

h = 6d + 4

*September 28, 2016*

**CHM 1020**

Use the formula Q=m*C*change in T. Plug in 39 for m, 4.18 for C (the specific heat capacity of water), and 12 (which is 21 - 9) for change in T. Multiply these numbers to get your answer.

*September 28, 2016*

**CHM 1020**

Calculate the amount of heat required to raise the temperature of a 39 g sample of water from 9 ∘C to 21 ∘C

*September 28, 2016*

**Algebra**

can a slope be negative in slope intercept form

*September 28, 2016*

**Language arts **

Please check my answers. Thank You! Use the text passage to answer the question. Whatever you post online—whether a silly picture, angry comment, or sharing about a chronic illness—is there forever. Delete it all you want, but colleges and employers can and will find...

*September 28, 2016*

**Math**

A recipe calls for two thirds cups of sugar. John only making one fourth the recipe. How much sugar do I need

*September 28, 2016*

**Language arts 6 A NEED HELP**

In the book The Tail Tasha has responsibility of taking care of a younger brother when she wants to be careful for the summer. An essay discuss whether this conflict is bad or good for Tasha. Consider what problems the conflict causes how she deals with them and what she ...

*September 28, 2016*

**CHECK MY ANSWERS American Government**

*** by my answer, please check!! 1. Which of the following is true about the formal amendment process for the Constitution? (1 point) Any citizen may propose an amendment. Only Congress may propose an amendment. Both houses of Congress must pass a resolution to propose an ...

*September 28, 2016*

**social studies**

How does the United States shape global affairs?

*September 28, 2016*

**History**

Is 11 B and D then?

*September 28, 2016*

**History**

10 B?

*September 28, 2016*

**History**

Mrs. Sue please help

*September 28, 2016*

**History **

6. Which of these were reasons for Columbus is first voyage from Spain select all that apply (A )Spain wanted to discover new land for settlement ( B.) He went in search of an easier route to Asia C. He sought to bring back Native Americans for slavery D. Spain wanted to ...

*September 28, 2016*

**Social Studies**

C

*September 28, 2016*

**Social studies**

the picture is a different question

*September 28, 2016*

**English**

How does studying the origins and development of the English language improve an individual’s clarity of thought and articulation in a modern society that prefers obedience conformity?

*September 28, 2016*

**foundations of algebra**

A bolt of cloth 100 yards long is cut into three pieces. The second piece is 15 yards longer than the first piece, and the length of the third piece is 5 yard more than twice the length of the first piece.

*September 28, 2016*

**Chemistry**

thank you very much

*September 27, 2016*

**Chemistry**

A 19.3L expandible container is filled in a room where the pressure is 761mmHg. It is filled with 600.4mmHg nitrogen, 108mmHg oxygen, 32.1 mmHg water vapor. The rest of the pressure is made up by carbon dioxide. The temperature is 20.3°C a. What is the partial pressure of ...

*September 27, 2016*

**Math**

Which of the following makes the statement true? 1/5^0=? 1 -1 -5 0 my a -1

*September 27, 2016*

**math**

mahalo nui loa

*September 27, 2016*

**math**

what is 0.32 written as a fraction in simplest form? 32/100 8/25 100/32 16/25

*September 27, 2016*

**MATH**

which of the following numbers is an example of an integer? 0.8 1/3 /9 /5

*September 27, 2016*

**physics**

A conveyor belt is moving grain into a bin that is 1.90 m below the top of the conveyor belt. The grain does not slip on the conveyor belt that is inclined at 15.0° and they move at a constant speed of 6.00 m/s. In order for the conveyor belt to get the grain into the bin...

*September 27, 2016*

**science**

will the mass of an object ever equal its volume. Give an example of two things that may have the same volume but a different mass?

*September 27, 2016*

**mathematics**

a math consist of 20 multiple choice questions 3 points are awarded for a wrong answer. no points and awarded or deducted for an answered questions. jenny attempted a total of 19 questions and her total score is above 32. find the minimum number of correct answer she obtained?

*September 27, 2016*

**physics**

You push a skateboard so that it rolls down the road at a speed of 1.20 m/s. You run after the skateboard at a speed of 3.30 m/s and while still behind the skateboard you jump off the ground at an angle of 28.0° above the horizontal hoping to land on the skateboard. How ...

*September 27, 2016*

**Math**

An Amount of $ 14400 is made up of $100, 50, 20 and 10 notes. The number of $10 notes are 3 times the number of 20 notes. The number of $20 note are 5 times the number of $50 notes. The number of $50 note are 5 times the number of $100 notes. How many of $100 note are there?

*September 27, 2016*

**Math**

The school band is compromised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1;8. However, this year the ratio of the number...

*September 27, 2016*

**Math**

An Amount of $ 14400 is made up of $100, 50, 20 and 10 notes. The number of $10 notes are 3 times the number of 20 notes. The number of $20 note are 5 times the number of $50 notes. The number of $50 note are 5 times the number of $100 notes. How many of $100 note are there?

*September 27, 2016*

**History**

In whay ways do the BUddha speak universally to humans and their desires

*September 27, 2016*

**History**

Why might the image of Bodhisattva of Compassion Avalokitesvara with a Thousand Arms be appealing to some Buddhists but why might others take exception to it?

*September 27, 2016*

**Physics**

Running on a treadmill is slightly easier than running outside because there is no drag force to work against. Suppose a 60 kg runner completes a 5.0 km race in 19 minutes. Part A Determine the drag force on the runner during the race. Suppose that the cross section area of ...

*September 27, 2016*

**math**

8/x+3over4/<2

*September 27, 2016*

**math**

write thirteen hundredths using base ten numerals

*September 27, 2016*

**physics**

A Zip-liner is gliding along a horizontal wire over a lake. They must release themselves from the wire and drop down to the water to get off the zip-line. They are 6.50 m above the water and release themselves when they are travelling at 2.20 m/s. How fast are they travelling ...

*September 27, 2016*

**Physics **

An escalator is 20 m long. If a person stands on the 'up' side, it takes 50 seconds to ride to the top. a) If a person walks up the escalator at a speed of 0.5 m/s relative to the escalator, how long wil it take to get to the top? b) If a person walks down the 'up...

*September 27, 2016*

**Physics **

A golfball with an initial speed of 50 m/s lands exactly 240 m downrange on a level course. a) Neglecting air friction, what two projection angles would achieve this result? b) What is the maximum altitude reached by the ball, using each of the two angles from Part A?

*September 27, 2016*

**Physics **

An arrow was fired horizontally from a platform above the ground. Exactly 3 sec after it was released, it struck the ground at an angle of 45o from the horizontal. 1) With what speed and from what height was it launched?

*September 27, 2016*

**Physics **

A ball thrown horizontally from the top of a 13m high building strikes the ground 5m from the base of the building. 1) With what velocity was the ball thrown?

*September 27, 2016*

**Algebra**

Nope. It's B

*September 27, 2016*

**physics**

A plane needs to drop supplies off to victims of natural disasters around the world. The first stop is for flood victims but they must drop the box so it lands perfectly on a target. If they are flying at 153 m/s and are 126 m above the ground, what distance before the target ...

*September 27, 2016*

**physics**

A hockey player lobs a puck at an empty net with an initial velocity of 8.00 m/s at an angle of 26.0°. What is the maximum height the puck reaches?

*September 27, 2016*

**Algebra **

Write an equation for the trend line and predict the value when x is 15. x y 0 17.5 3 35.4 6 50.5 9 60.6 12 66.3

*September 27, 2016*

**further maths**

25x-30(5x)+125=0

*September 27, 2016*

**Counting and Probability**

If 4 boys and 5 girls are seated in a row of 9 chairs, what is the probability that the 2 girls will sit next to each other?

*September 27, 2016*

**math**

Convert 4.75 decimal into fraction in simplest form

*September 27, 2016*

**Chemistry**

How many different oligosaccharides can be made by linking one glucose and one galactose if the anomeric carbon of glucose is involved in the glycosidic bond? Assume that each sugar is in its pyranose form. A. 5 B. 4 C. 2 D. 1 E. 3 Would it be 4?

*September 26, 2016*

**Chemistry**

c-3?

*September 26, 2016*

**Chemistry**

The bond between a glycoprotein and a carbohydrate is made to which atom of a monosaccharide? A. C-3 B. C-6 C. varies with different glycoproteins D. anomeric carbon E. C-4 Would the answer be (E) C-4?

*September 26, 2016*

**physics**

You create a centripetal force apparatus consisting of a mass m attached to the end of a string and spun in a uniform circular path of radius R, where R = 65.5 cm. The mass is spun in a uniform circular path for 60.0 seconds, during which a total of 117 revolutions are ...

*September 26, 2016*

**History**

Some scholars have identified similarities between Bodhisattva of Compassion and the Virgin Mary in Christian tradition. What common elements and what differences can you identify?

*September 26, 2016*

**physics**

all

*September 26, 2016*

**physics**

a 15kg rock falls from the top of a building 8.0m high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

*September 26, 2016*

**History**

why might greco roman cultural influence have stimulated physical representations of the buddha I said the Greco Roman influence of the Dandhara style was fading and became replaced by more completely Indian images of Buddha is this correct

*September 26, 2016*

**Chemistry**

A 19.3L expandible container is filled in a room where the pressure is 761mmHg. It is filled with 600.4mmHg nitrogen, 108mmHg oxygen, 32.1 mmHg water vapor. The rest of the pressure is made up by carbon dioxide. The temperature is 20.3°C a. What is the partial pressure of ...

*September 26, 2016*

**chemistry**

i figured it out 11.5 g

*September 26, 2016*

**chemistry**

i came up with a MM of 42.2 but i do not feel that it is the correct answer how would i solve this problem

*September 26, 2016*

**chemistry**

A sample of neon gas is held in a rigid 2.284L container with a pressure of 1.036 atm at 24.3°C. 4.093g of an unknown cold gas is added to the container. The temperature drops to 20.3°C, but the pressure rises to 1.960atm. What is the molar mass of the added gas?

*September 26, 2016*

**math**

the product of a 3-digit number and a 1-digit number will be either a 3-digit number or 4-digit number.Does Emma's statement make sense?

*September 26, 2016*

**Writing**

What is the best way to write this sentence? If we were teenagers at the time theses licenses signified our passage to adulthood.

*September 26, 2016*

**Math**

20,10,5 50,25,10

*September 26, 2016*

**Algebra **

A countrys population in 1995 was 56 million in 2002 it was 59 million. Estimate the population in 2016. Exponential growth formula

*September 26, 2016*

**Physical education HELP PLS!!!!!!!!!**

what is it

*September 26, 2016*

**Translate to an algebraic expression**

q=some number

*September 26, 2016*

**stats**

(a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed? Explain why or why not. The distribution is Normal because the standard deviation is ...

*September 26, 2016*

**stats**

(a) The test had six multiple-choice items that were scored as correct or incorrect, so the total score was an integer between 0 and 6. Do you think that these data are Normally distributed? Explain why or why not. The distribution is Normal because the standard deviation is ...

*September 26, 2016*

**math**

Ali has 16 1/2 yards of fabric. She will use 5 2/5 yards to make each costume. How many costumes can Ali make?

*September 25, 2016*

**Calculus**

Evaluate the limit using algebraic techniques. limit of (x^2 - 25)/(x^2 - 4x - 5) as x approaches 0. How do I do this?

*September 25, 2016*

**Math**

You say the number when you count by 2s. You say the number when you count by 3s. You say the number when you count by 4s. The number is more than 20 but less than 30. What is the number?

*September 25, 2016*

**Biology**

Batches of seeds are soaked in salt solutions for different concerntrations and germination is counted for each batch.

*September 25, 2016*

**Biology **

Light absorption by a pigment is measured for red, blue, green, and yellow light.

*September 25, 2016*

**physics**

a student weighing 160 pounds hangs for dear life from a cable tied to two other cables fastened to a support as shown above. the upper cables make angles of 39 and 55 with the horizontal. these upper cables are not as strong as the vertical cable and will break if the tension...

*September 25, 2016*

**Chemistry**

The density of a sample of F2(g) is 1.559 g/L. If the gas is held at 755 torr, calculate the temperature. how would i calculate the volume to use

*September 25, 2016*

**phsyics**

i have no idea

*September 25, 2016*

**american government**

2 is wrong The answer A

*September 25, 2016*

**Physics**

Still need help

*September 25, 2016*

**Physics **

Judy walks a certain distance due north, then walks twice as far due west. At the end of her trip, the straight-line distance from her starting point to her final position is 112m. a) What is the length of each leg of the trip? b) What is the direction of her total ...

*September 25, 2016*

**Math Algrebra Word Problems People on a line**

1) How many people are there between the 4,000th person from the front end and the 1,000th person from the back end when there are 4,000 people on a line? 2) There are 2,500 people on a line. The 100th person counted from the front is Adam. Adam is what number when he is ...

*September 25, 2016*

**math**

if, instead of assuming that the mean body temperature is 98.20 degree Ferinheight, we assume that the mean is 98.60 F(as many people believe), wht is the chance of randomly selecting 106 people and getting a mean of 98.20 degree F or lower? (continue to assume that the ...

*September 25, 2016*

**Physics**

A body slides down from the rest from the top of6.4m long rough inclined plane at 30 degree with the horizontal.find the time taken by the body in reaching the bottom of the plane. Take mu k=0.2 and g=10m/s2

*September 25, 2016*

**science**

what is the focal lenght of an object 10cm in front of a convex mirror having image that is 5cm behind the mirror?

*September 25, 2016*

**Further mathf**

In a senior secondary school, 80 students play hockey or football. The number that play football is 5 more than twice the number that play hockey. If the 15 students play both games and every student in the school playsat least one game, find: The number of students that play ...

*September 25, 2016*

**Chemistry**

if I want to show the results of a nitrate analysis as nitrogen what is the equation

*September 25, 2016*

**Maths**

The sum of two fractions is 2 1/6 if one of the fraction is 1 1/3 then what is the other

*September 25, 2016*

**Math**

Jacob opens a savings account on Jan 1 with a deposit of $250. Every other week $25 is deposited. The bank charges $3 for a processing fee monthly. How much will he have at the end of the year?

*September 24, 2016*

**Math/Chem**

Is it possible to get a negative percent as an answer to a problem

*September 24, 2016*

**Physics**

i dont know

*September 24, 2016*

**Organic Chemistry **

What would happen to the melting point of a solid if it is mixed with granular particles of glass? Explain.

*September 24, 2016*