What is the mass of 0.46 mol of MgCl2

Solid carbon (C) can burn in oxygen (O2). Select the answer that completes this chemical equation correctly. C + O2 →? O coz O C + 20

Show how to carry out the transformation of benzene to chlorobenzene by going through a diazonium intermediate.

A negatively charged balloon has 2.6 µc of charge. how many excess electrons are on this balloon? the elemental charge is 1.6 * 10-19 c. answer in units of electrons.

Consider a perfect gas that occupies 2.5 dm3 at a pressure of 3.00 bar. The gas is compressed at a constant pressure pex, so that the final volume is 0.5 dm3.

An acid solution is 0.100 M in HCl and 0.210 M in H2SO4. What volume of a 0.150 M solution of KOH must be added to 500.0 mL of the acidic solution to completely neutralize all of the acid?

Select all that apply. A scientific law: A - is generally accepted as true B - has never been found to be in error C - has no known contradictions D - must be reverified occasionally

A volume of 125 mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00 ∘C is placed in the water. If the final temperature of the system is 21.

The volume of a gas is reduced from 4 l to 0.5 l while the temperature is held constant. what does the pressure of the gas do?

In an experiment, an unknown gas effuses at one-half the speed of oxygen gas, which has a molar mass of 32 g/mol. which might be the unknown gas?

7. Foam cup A has 36 mL of water that contain 2 moles of HCL at 20°C. Foam cup B has 36 mL of water that contain 2 moles NaOH of at 20°C. The contents of foam cup A are added to foam cup B and a chemical reaction occurs.