How man kilo-calories of heat are required to raise the temperature of 225 g of aluminum from 20 C to 100 C?

0.59 kcal

3.8 kcal

38 kcal

85 kcal

How does renewable energy differ from nonrenewable energy? 5-6 paragragh

Explain how a single population of organism can result in multiple different populations after many generations.

1 cubic centimeter is equivalent to ...

What state of matter has a fixed amount of volume but can change shapes according to its container?

Which colorless and odorless gas, produced by radioactive decay of uranium-238, is considered to be a form of pollution? a. boron b. oxygen c. radon d. hydrogen

Which was the limiting reactant: the zinc or the hydrochloric acid? Remember that the limiting reactant is completely consumed in a reaction and no new product is formed unless more of the limiting reactant is added.

How many moles are in 4,55 X 10^23 molecules of CO2 (rounded)

In standardization of NaOH solution, a student found that 25.55cm3 of base neutralized exactly 21.35cm3 of 0.12M HCl. Find the molarity of the NaOH.

Which is a base unit in SI? A. centimeter B. kilogram C. gram D. grams/milliliter

The primary mechanism for converting atmospheric carbon into usable forms for life on earth is achieved by