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WARRIOR [948]
3 years ago
13

Help me make a hypothesis out of this question for my project.

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
7 0
Animals are able to see much more clearly in the dark than humans can.

Or

Humans are able to see much more clearly in the dark than animals can.
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How many alcohols and ethers share the molecular formula c2h6o?
Nadya [2.5K]

Answer is: there are two compounds with molecular formula C₂H₆O, one alcohol and one ethar.

Alcohol with molecular formula C₂H₆O is ethanol or ethyl alcohol (C₂H₅OH).

Ethanol is a volatile, flammable, colorless liquid with characteristic odor.

Ether with molecular formula C₂H₆O is dimethyl ether (CH₃OCH₃).

Dimethyl ether is a colorless gas.

4 0
3 years ago
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An atom is made of 16 protons, 17 neutrons, and 18 electrons. What is the mass number of
Nataliya [291]

Answer:

The answer is 33 .

Explanation:

The mass number of an atom is the atomic mass which consists of proton and neutron. This atom has 16 protons and 17 neutrons so it has a mass of 33 :

proton number + neutron number = nucleon number / atomic mass

16 + 17 = 33

6 0
3 years ago
I need the answer please
dlinn [17]

Answer:

Na+ the answer is A

Explanation:

6 0
3 years ago
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A chemist needs 1.36 mol of strontium bromide, SrBr2, for a reaction. What mass of strontium chloride should the chemist use?
yaroslaw [1]
Mass SrBr2 = 247.42 g/mol x 1.36 mol 
<span>= 336 g</span>
5 0
3 years ago
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What phases are most common at high temperatures
Nikitich [7]

Answer:

Liquids and gases.

For most substances, when heated to a high enough temperature, the molecules begin moving faster which results in its liquid or gas state.

5 0
3 years ago
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