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jekas [21]
3 years ago
6

3) What are the long-term effects of the Chernobyl disaster? How many people were displaced?

Chemistry
1 answer:
I am Lyosha [343]3 years ago
5 0

Answer: The issue of long-term effects of the Chernobyl disaster on civilians is very controversial. The number of people whose lives were affected by the disaster is sizable. Over 300,000 people were resettled because of the disaster; millions lived and continue to live in the contaminated area.

Explanation:

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How many moles are in 7950 g of CO2? ( pleas show calculation)
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Answer:

Calculate the number of moles of CO2 by the formula n=PV/RT, where P is the pressure from Step 3, V is the volume from Step 2, T is the temperature from Step 1 and R is a proportionality constant equal to 0.0821 L atm / K mol.

Explanation:

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3 years ago
What do oxidation reactions produce during the electrolysis of water?
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Hydrogen gas, oxygen gas and water

4H2O (l) ---> 2H2O (l) + O2 (g) + 2H2 (g)
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In cellular chemical pathways, the product(s) of any particular reaction are often quickly consumed by the next reaction in the
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Answer:

Tend to keep the product concetration <u>low</u> and therefore drive the reaction <u>righward</u>

Explanation:

The fact the products of a reaction are quickly consumed by the next one would tend to keep the product concetration low and therefore drive the reaction righward (to the products).

This happens because the system will not achive equilibrium between the reactants and the product, and will keep producing it util the system achives equilibrium or the reactants dry out.

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3 years ago
Which of the following is a chemical change?
Scorpion4ik [409]
Answer: D, splitting water into hydrogen and oxygen is a chemical change.
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If you have 400 grams of a substance that decays with a half-life of 14 days, then how much will you have after 56 days? To help
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Answer:

25 grams

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You strat off with 400 grams of your substance. By day 14, half has dcayed and you only have 200 grams left. By day 28, there are 100 grams of the substance. On day 42, there are 50 grams left. Finally, on day 56, the substance has been through four half-lives and 25 grams remain.

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