Chemistry » Page 78

Brayan Christian

Chemistry

56 Explain, in terms of atomic structure, why the elements in Group 2 have similar

chemical properties. 131

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Chemistry

What must molecules do to react?

a. Molecules must heat up

b. Molecules must collide

c. Molecules must expand to fill their container

d. Molecules must interact with a catalyst

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Chemistry

How many pictograms are in a gram?

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Chemistry

Which type of signaling pathway uses second messengers because the hormone cannot pass through the plasma membrane?

a.) amino acid based

b.) lipid based

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Chemistry

Why are the gases in the troposphere layer denser than the gases in the other layers?

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Chemistry

Which of these solutions will be the best conductor of electricity? Solution A Solution B Solution C

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Chemistry

What would be the best way to measure Carbon Dioxide in a Soft Drink can?

And yes, we were going to do it by taste.

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Jacquelyn Pierce

Chemistry

Calculate the molar mass of N2O3

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Chemistry

Which of the following describes the change in atomic mass and atomic number during this reaction?

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Chemistry

Do organs of different species resemble each other?

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Chemistry

Calculate the mass of grams of 14.79ml of a substance. It'd density is 1.193gml

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Chemistry

The molecular weight of NaCl is 58.44 grams/mole. If you had a 1.0 molar solution (1.0 M), you would have to put 58.44 g of salt in 1.0 liter of solution. How many moles of NaCl would you have in 100 mL of this solution

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Chemistry

Find an element from the halogen group and noble gases group and tell how it is used in everyday life.

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Chemistry

Write the name of the following compound MgSO4 • H20

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Chemistry

What volume (in mililiters) of oxygen gas is required to react with 4.03 g of my at stp

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