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Grace [21]
3 years ago
8

Quiz

Chemistry
2 answers:
Nat2105 [25]3 years ago
4 0
The rate at which radioactive decay occurs & how much radioactive decay has occurred
AleksAgata [21]3 years ago
4 0

Answer:   How much radioactive decay has occurred

Explanation:  Radiometric dating is the source to determine the absolute age and time of the rocks.

Because the radioactive isotopes are unstable, They break down into several fragments over the time until they become a stable isotope.

Thus in order to accurately determine the absolute time, one should must know how much radioactive decay has occurred .

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sladkih [1.3K]

Answer:

A)Hydrogen can be stored physically as either a gas or a liquid. Storage of hydrogen as a gas typically requires high-pressure tanks (350–700 bar [5,000–10,000 psi] tank pressure). Storage of hydrogen as a liquid requires cryogenic temperatures because the boiling point of hydrogen at one atmosphere pressure is −252.8°C.

B) carrying capacity of the lithium reserve will reach 10 million EV and 90 billion CE's RLBs for 50% recycling of lithium-containing waste, and 15 million EV and 150 billion CE's RLBs for 90% recycling.

Explanation:

Hope this helped Mark BRAINLEST!!

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3 years ago
When the temperature in a room increases from 25c to 33c what changes from a solid to a liquid
Contact [7]
58 would be your answer
8 0
3 years ago
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Summarize the process a scientist goes through to come up with a<br> satisfactory solution.
maria [59]
Guess and check, test, trial and error, completion.
6 0
3 years ago
Research the compositions of Pennies. What was the composition of each of your Pennies prior to treatment
LenKa [72]

Answer:

History of composition

Years Material Weight (grains)

1944–1946 gilding metal (95% copper, 5% zinc) 48 grains

1947–1962 bronze (95% copper, 5% tin and zinc) 48 grains

1962 – September 1982 gilding metal (95% copper, 5% zinc) 48 grains

October 1982 – present copper-plated zinc (97.5% zinc, 2.5% copper) 38.6 grains

7 0
2 years ago
Mario uses a hot plate to heat a beaker of 50mL of water. He used a thermometer to measure the
mojhsa [17]

Answer:

Mario uses a hot plate to heat a beaker of 50mL of water. He used a thermometer to measure the

temperature of the water. The water in the beaker began to boil when it reached the temperature of

100'C. If Mario completes the same experiment with 25mL of water, what would happen to the boiling

point?

a) The water will not reach a boil.

b) The boiling point of water will increase.

c) The boiling point of water will decrease.

d) The boiling point of water will stay the same.

Explanation:

6 0
3 years ago
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