What is the density of a piece of aluminum that has a mass of 270 grams and a volume of 100.0 cubic centimeters? If this piece was cut in half what would be the density of one of the pieces?

What mass of KBr (in grams) should you use to make 150.0 mL of a 1.70 M solution of KBr?

Which of the following ions is in a higher oxidation state than their normal ion? A. H2 + B. Mg2 + C. F - D. None of these

A hypothesis is a possible explanation or answer to a question. Hypotheses should be testable. Which of the following sentences is the best hypothesis? A. If a person falls asleep, then their heart rate will decrease. B.

What are the elements of Ca0?

What is a chemical formula

A 0.1 m solution of which salt is the most basic? (a) nano3 (b) naclo4 (c) nahso4 (d) nahco

How to conduct electricity with light bulb and battery

A cup can hold 50 ml of water and has a mass of 25g. If each penny weighs 2g, how many pennies can it hold before it sinks in fresh water? Explain how you got your answer.

How many moles of FeO are produced if 8 moles of CuFeS, are consumed?

Will mark as Brainliest. How much energy is released when 16.5 g of steam is condensed at 100 degrees Celsius? -37290 J -3729 J -136 J -136 kJ