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marta [7]
3 years ago
13

Which of the following is a nonrenewable resource?

Chemistry
2 answers:
notka56 [123]3 years ago
7 0

Natural gas is nonrenewable

Rudik [331]3 years ago
6 0

the answer is C, natural gas.. hope it helps

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Which example is an exothermic reaction?
ratelena [41]

Answer:

C. Condensation

Explanation:

When molecules release heat energy, it is called exothermic. In this case, condensation would be an example of this.

5 0
2 years ago
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What is the volume of 2.0 mol CO2 at STP?
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Answer:

44.8 litres is the answer to the question

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Rhodium-101 has a half life of 3.3 years. What percent of the sample will remain after 6.6 years?
babunello [35]

Answer:

25%

Explanation:

Half life means that 50% of the sample is gone at 3.3 years. This means that an additional 3.3 years (total 6.6 years) will reduce the sample a further 50% from the point at 3.3 years. In numbers, this means 50% of 50% (0.50*0.50), which is 25%.

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3 years ago
A scientist discovers a new type of polymer. What must be true about this polymer?
mixas84 [53]

Answer: Option (D) is the correct answer.

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A polymer does not contain many different type of molecules as there are many repeating units and not many molecules in a polymer.

A polymer is made of large molecules with repeating units.

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5 0
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2. Which of the following examples best represents the concept of equilibrium? *
Natasha_Volkova [10]

AnswerI think its c

Explanation:

tell me if im wrong

4 0
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