Caculate the number if moles of the following: 800. g of Ca

Four students measure the length of a paper clip whose actual length is 3.2 cm. whose measurements are precise but not accurate? A. Samuel: 2.7 cm, 2.7 cm, 2.7 cm, 2.8 cm B. Jose: 2.2 cm, 2.6 cm, 3.0 cm, 3.3 cm C. Nikita: 3.1 cm, 3.1 cm, 3.2 cm, 3.

If a computer adds together a list of numbers, what term identifies these numbers?

A certain FM radio wave has a frequency of 1.31 x 108 Hz. Given that radio waves travel at 2.99 x 108 m/s, what is the wavelength of this FM radio wave? (Round your answer to three significant figures.)

Ernest Rutherford's achievements

If you were to react 4.3 miles of magnesium phosphide how many moles of potassium would you need?

What is the mass (in grams) of 9.09x10^24 molecules of methanol (CH3OH) ? AND How many moles of N are in 0.183g of N2O?

What are the basic building blocks of matter? A) molecules B) atoms C) electrons D) compounds

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.