Chemistry » Page 84

Chemistry

Amiah Bailey

What is formed when amino acids form long chains?

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Chemistry

Guest

Imagine a chemist is in the lab and trying to make some chemical reactions happen. In one reaction she reacts chemicals in an exothermic reaction and there is an increase in entropy. A second chemical reaction she is trying to run is endothermic and there is a decrease in entropy. Which of the two reactions is more likely to occur and why?

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Chemistry

Kaylie Robles

Solve this problem using the appropriate law. (Remember that) What is the pressure of 1.9 mols of nitrogen gas in a 9.45 L tank and at a temperature of 228 K?

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Chemistry

Brent Morse

Convert 150 g/L to the unit g/mL.

A. 15,000 g/mL

B. 15 g/mL

C. 0.15 g/mL

D. 0.0015 g/mL

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Chemistry

Alec Berg

What are the oxidation numbers of the elements in the nitrite ion, no2-?

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Chemistry

Guest

Which of the following would release the most heat upon cooling from 75°C to 50°C?

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Chemistry

Kinsley Buck

What is the atomic mass number of carbon?

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Chemistry

Gaige Newton

How does the size of ions affect the conductivity of a solution?

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Chemistry

Zane Foley

Chemical equations need to be balanced in order to satisfy the law of

a. molecular changes.

b. conservation of mass.

c. products and reactants.

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Chemistry

Maryjane Terry

Why do we not know yet if we live in a 'multiuniverse"?

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Chemistry

Brittany

What is an alloy? (this is for apex chem 2)

a. a combination of a metal with another element

b. a layering of one metal over another metal

c. a metal with a changed oxidation state

d. a substitution of one metal for another metal

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Chemistry

Guest

Which is the most important question for deciding if a chemical reaction has occurred

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Chemistry

Kaitlynn Sawyer

How many grams of acetylene are produced by adding 3 moles of cac2

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Chemistry

Lee Vazquez

Is chemistry where you Make food out of chemicals and having The ingredients

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Chemistry

Julio Kent

In a stone cladding system, the clips supporting the stone panels should be selected from nonferrous metals (aluminum or stainless steel) that is chemically compatible with the stone. False True

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