Which of the following for an object should be known to calculate its density?

The heat present in it

The amount of matter in it

The force of gravity acting on it

The space between the object and another object

Which two forms of heat transfer work together to heat water in a plastic bottle

What is a supersaturated solution?

You are heating a solution in the laboratory. As the solution heats up, it begins to bubble. After turning off the heat, you notice that the remaining liquid remains colorless, but you smell a sharp odor.

Which of the following is an oxidation-reduction reaction? a. HCl (aq) + NaOH (aq) → H2O (l) + NaCl (aq) b. Cu (s) + 2AgNO3 (aq) → Cu (NO3) 2 (aq) + 2Ag (s) c. AgNO3 (aq) + HCl (aq) → AgCl (s) + HNO3 (aq) d.

Three moles of neon expand isothermally from 0.153 m3 to 0.319 m3 while 4.86 * 103 J of heat flows into the gas. Assuming that neon is an ideal gas, find its temperature.

How is incomplete combustion different to complete combustion

What did Ernest Rutherford s gold foil experiment demonstrate about atoms?

Which of the following is true for a cell that has DNA present inside a nucleus? A: It must be a part of the oldest known fossils B: It must be a part of a eukaryote C: It must be a part of a bacterium D: It has a nucleoid

Frederica is sitting on a moving train. She watches the telephone poles fly past. She knows that the poles in this area are 1/4 mile apart. Every minute, 5 poles pass her. In the reference frame of the poles, how fast is the train moving? A.

A solution contains. 36 g sodium hydroxide in 500 ml what is the ph