6 Answered Questions for the topic Chemistry Homework

How do I do this? Chemistry HW

The atmospheric pressure on the surface of Venus is about 100 atm. This pressure is equal to____torr?

Homework Help (Chemistry)

A) A sample of SO2 contains 1.98*10-3 moles. How many mL will it occupy? The density of the gas is 2.168g/L. B)If the density of SO2, were to increase because the temperature decreased, would the... more

Chemistry (Please explain)

2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) 1.) What minimum volume of 3.5M H2SO4 is required to produce 18L of H2 at STP?   Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) 2.) What minimum amount of 1.35M HCl is... more

Chemistry (Please explain)

1.) How much of a 1.80M sodium sulfate solution in milliliters is required to completely precipitate all of the barium in 190.0mL of a 0.300M barium nitrate... more

Chemistry, How do I figure this out?

When you add 0.205 g of sodium metal to an excess of hydrochloric acid, you find that 2130 J of heat are produced. What is the enthalpy of the reaction as written below?                          ... more

Chemistry Question, Need some help to figure this one out

Use the bond energies provided to estimate ΔH°rxn (in kJ) for the reaction below.XeF2 + 2 F2 → XeF6Bond Bond energy (kJ/mol)Xe-F 147F-F 159Answer: kJ ?

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