Chemistry » Page 42

Chemistry

Chili

The chemical equation of photosynthesis includes 6O2. What does the small number after the O represent?

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Chemistry

Patel

A sample of copper with a mass of 63.5g contains 6.02 x10 23 atoms calculate the mass of a single copper atom

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Chemistry

Aguirre

Explain what is in a buffer. Discuss the function of a buffer. How will pH change when small amounts of acids or bases are added to the buffer solution?

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Chemistry

Caiden Keller

Muscles cells are called?

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Chemistry

Delilah Hamilton

How many moles of ethyl alcohol, C2H6O, are in a 37.0 g sample?

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Chemistry

Dario Sherman

Assume that 5.60 L of hydrogen gas at STP reacts with copper (II) oxide

according to the following balanced equation. How many grams of copper are produced?

CuO (s) + H2 (g) - -> Cu (s) + H2O (g)

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Chemistry

Mallory Compton

Which of the following changes will always be true for a system with increasing entropy?

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Chemistry

Nehemiah Bailey

What state is water in during the process of evaporation

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Chemistry

Eliza Bernard

What is the sharing of ideas and experimental findings with others through writing and speeking is called

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Chemistry

Rene Lloyd

What is the relationship between a codon and an anticodon?

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Chemistry

Winters

An engineering team is conducting a trial launch of a new rocket. Which part

of the engineering process is the team in?

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Chemistry

Ronald Rush

4. You are preparing 250 mL of gel mix for protein electrophoresis, which requires a final concentration of 1.6% SDS. The lab has a 10% stock solution of SDS. How much SDS stock solution (in mL) do you use? Round your answer to the nearest whole number. (Ch. 2.1)

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Chemistry

Jaslyn Rasmussen

During a chemical change, substances react to form a new substance. Some signs of chemical change are gas formation, a change in color, or the production of heat. Do you think the reaction between calcium carbonate and vinegar is a chemical change? Why?

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Chemistry

Duran

What are mols and how are they calculated

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Chemistry

Guest

Why do nuclear power plant's use fission in stead of fusion

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