Friday

April 25, 2014

April 25, 2014

Total # Posts: 17

**englis**

One of the most commonly known_____________ which also happens to be a top favorite of mine is____________. do i need a comma's in this sentence?

**Chemistry**

thanks so, would 18 carat gold jewelry be the right answer?

**CHM**

In the chemical formula of ammonium sulfate, (NH4)2SO4, how many hydrogen atoms are present? 4

**CHM**

Thats why i need help with this problem. the only choices i have is these four. atoms of gold turning into atoms of iron conversion of methane, which contains carbon and hydrogen, and oxygen into carbon dioxide and water the rusting of iron in a humid atmosphere decomposition ...

**CHM**

I thought those two are also chemical?

**CHM**

ththe rusting of iron in a humid atmosphere decomposition of water into hydrogen and oxygen gases

**CHM**

Which of the following events are not examples of a chemical reaction? atoms of gold turning into atoms of iron conversion of methane, which contains carbon and hydrogen, and oxygen into carbon dioxide and water <<<? the rusting of iron in a humid atmosphere decomposi...

**CHM**

Which of the following is not an example of a physical change? is this the right Answer accidentally leaving a piece of toast in the toaster until it is completely black

**chemistry**

Which of the following would not be acceptable units for density? Answer kg/L g/mL3 g/cm3<< my answer

**chemistry**

so it would be 45.0 mL O3

**chemistry **

Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles? Answer 45.0 mL O3 35.0 mL N2 15.0 mL of CO2 25.0 mL of SO3 how would i go about answering this question.

**chemistry**

If the pressure on a 2.50 mL gas sample were doubled from 0.500 atm to 1.00 atm, what would be gas volume at the new pressure? my Answer 1.25 mL if i'm wrong can you show me how u got to your answer please.

**Math conversion**

I know!

**Math conversion **

If one meter is equal to 39.4 inches, how many centimeters are in one foot? Answer 30.4 cm How is this answer obtained? i know there is 12 in in a foot and 100 centimeters in a meter. what happens next?

**Math**

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

**Math**

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

**math help**

Problem #3 I have to graph y =4 therefore doesn't this run right on 4 going horizontal. Then it asks: List the y-intercepts coordinate and the slope of the graph? Therefore there is no slope and for the y-intercept I do not know what to do or say. Where does the line cross...

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