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Marysya12 [62]
2 years ago
7

Please help me with these Radioactive Decay Problems ASAP! I need helppppp

Chemistry
1 answer:
Masteriza [31]2 years ago
5 0

Answer:

5

Explanation:

it is very simple

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Use the chemical equation below to determine how many moles of ammonia
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If we assume that there will be enough Hydrogen for the reaction to occur, then there will be 8 moles of NH

Explanation:

The balanced equation will look like this:

4N2 + 4H2 -> 8NH

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1. Some athletes have as little as 3.0% body fat. If such a person has a body mass of 65 kg, how many pounds of body fat does th
77julia77 [94]
1. 3.0% ----> 3.0 kg fat= 100 kg body weigh
also remember that 1 kg= 2.20 lbs

65 kg  \frac{3.0 kg}{100 kg} x  \frac{2.20 lb}{1 kg} = 4.29 lbs

2. 0.94 g/mL----> 0.94 grams= 1 mL
1 Liters= 1000 mL
1kg= 1000 grams

3 Liters  \frac{1000 mL}{1 L} x   \frac{0.94 grams}{1 mL} x  \frac{1 kg}{1000 g} x   \frac{2.20 lbs}{1 kg}  = 6.20 lbs
3 0
3 years ago
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Which element would have properties most similar to those of
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Rb

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This is because they are in the same group which means they share similar properties.

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The density of water is 1 g/cm3(1 gram per cubic centimeter); using this fact as a reference & Table c , how would you deter
NISA [10]

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Any densities less than 1g/cm3 will float, while objects with densities over 1g/cm3 will sink.

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