Which is a simple substance that cannot be broken down into any other substances?

Them empirical formula of an artificial sweetener is c14h18n2o5 the molecular mass is 294.34 what is the molecular formula

If a student is told they have a 3.5 M HF solution and they pour out 0.05 L of the solution, what is the number of moles of HF that are present in the solution?

What gas was given off when hydrogen peroxide is broken down? recall that the formula for hydrogen peroxide is h2o2?

How many moles of water were present? 0.0004417 mol 0.004417 mol 0.002211 mol 0.02211 mol

Categorize each hydrocarbon as being saturated or unsaturated. 3-methyloctane cyclopentene propane heptyne heptane

A homogeneous mixture consists of 12% ethanol, 28% methanol and 60% water. which of these is the solvent for the mixture? A. ethanol and methanol B. methanol C. ethanol D. water

A gas that has a volume of 28.0 liters, a temperature of 45.0 °C, and an unknown pressure has its volume increased to 34.0 liters and its temperature decreased to 35.0 °C. If I measure the pressure after the change to be 2.

How many atoms are in 4 HNO³?

Why is a solution not a pure substance? A The solute and solvent cannot be separated. B It is made up of one substance. C It is a mixture between a solute and a solvent. D It is made up of two substances that are chemically combined.

Triangle PQR has vertices at P (-6,-4), Q (2,-10), and R (8,0). It is dilated about the origin by a scale factor of 5 to obtain triangle P′Q′R′.