In a scientific experiment, the responding variable can also can be called the

What is the molar mass of H2CO3? (Molar mass of H = 1.0079 g/mol; C = 12.010 g/mol; O = 15.999 g/mol) A. 29.02 g/mol B. 46.04 g/mol C. 62.02 g/mol D. 72.08 g/mol

You could add HCl (aq) to the solution to precipitate out AgCl (s). What volume of a 0.190 M HCl (aq) solution is needed to precipitate the silver ions from 12.0 mL of a 0.160 M AgNO3 solution? Express your answer with the appropriate units.

If the energy in one donut was used to heat 33.5 kg of water, calculate the increase in temperature of the water (in C)

Isabel wanted to determine if she could see the flag on the moon. What tool should she use?

Which of the following compounds is NOT a molecule (not covalent) ? ОСО2 Naci он, ОН, 0

What is called what a scientist personal opinion affects the way experimental results are reported? A. Bias B. Classifying C. Inductive reasoning D. Procedure

Coffee is decaffeinated industrially using supercritical (sc) CO2. One advantage to using scCO2 is that the polarity of the supercritical fluid can be tuned by varying temperature, pressure and cosolvent additives.

The relationship between pressure and temperature of a gas, when volume and moles of a gas are held constant, is: P*T = k. TRUE FALSE

The system is said to be in dynamic equilibrium when: Select one: a. there is no longer any net change in the concentrations of products or reactants. b. the forward and reverse reactions come to a halt. c. None of these d.

You have a 1 L container of a gas at 20 C and 1 atm. Without opening the container, how could you tell whether the gas is chlorine or fluorine? a. measure the mass of the gas b. measure the speed of the gas molecules c.