Other Chemistry Answers

To which type of reaction does the following reaction belong? Ba(OH)2(aq) + H2C2O4(aq) → 2 H2O() + BaC2O4(s)

PbO₂+HBr--->PbBr₂+O₂+H₂O

Liquid octane CH

3

CH

2

6

CH

3

 will react with gaseous oxygen O

2

 to produce gaseous carbon dioxide CO

2

 and gaseous water H

2

O

. Suppose 1.14 g of octane is mixed with 7.1 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round your answer to 3

significant digits. 

how you praise a relation of two moles naoh in 50 ml

250. 0 mL of 1.00 M NaOH solution has a density of 1.90 g/mL. Calculate the concentration of this solution in molality.

An ideal solution contains 92. 1 g of glycerin, C3H5(OH)3, and 184.4 g of ethanol, C2H5OH, at 40 oC. The vapor pressure of pure ethanol is 0.178 atm at 40 oC. What is the molality of the solution? What is the vapor pressure of a solution?

Two moles of aluminum was heated from 45 oC to 93 oC. Calculate the amount of heat absorbed by aluminum. Specific heat of Al= 0.90 J/g-K

50% pure 1 g CaCO3 is dissolved in 25 ml H2SO4 solution. A further 30 ml of 0.5 mol NaOH is required for complete dissolution of the mixture. So what was the concentration of H2SO4?

A student boils 9.43 grams of an unknown substance into vapor. If completely vaporizing the substance required 8,720 joules of energy, what is the heat of vaporization?

(100)Interpret this statement: “Carbon dioxide is an energy-poor molecule, but glucose is an energy-rich molecule.”

Calculate the amount in moles of LiOH in the lithium hydroxide formed

M(oH)3 equals 78 g/mol what the atomic mass