Nickel-63 has a half-life of 92 years. how much nickel would remain in a sample that started with 20 grams of nickel-63 at the end of 184 years?

How many moles are in 4.5 g of magnesium sulfate

How much heat would be required to warm the Earth's ocean by 1 degrees Celsius?

What is the volume, in mL, of 6.66 g of acetone?

Kat is investigating a compound and sees that it has even stronger hydrogen bonds than water. What can kat conclude is most likely true about the specific heat of this compound

Movement of a stationary object definition

Which phrase provides the best definition of mass movement

Choose the statement below related to entropy that is correct. Group of answer choicesHeating always decreases the entropy of a system. The solution formation process usually leads to an increase in entropy.

What is the optimal level of humidity for storing wine? A. 70 percent B. 50 percent C. 20 percent D. 10 percent

What is the product? 3•[1 - 4 5 - 7] [3 - 12 15 - 21] [4 - 1 8 - 4] [3 12 15 21] [4 - 12 8 - 21]

A hormone is an organ that secretes chemical substances into the bloodstream.