Other Chemistry Answers

can you please tell me one equation of chemistry for how do hard water is converted into soft water?

using word equations and turning them into chemical equations and balancing them. (also writing the state of matter)

1) a double displacement reaction occurs between aqueous calcium hydroxide and lithium fluoride.
2) Aqueous forms of lead ll nitrate and potassium sulfate react, with a product being a precipitate of lead ll sulfate.
3. Aqueous sodium carbonate and silve l nitrite are reactants in a double displacement reaction.
4. when crystalline C6H12O6 is burned into oxygen a combustion reaction occurs.

What is the activity of a 20.1 μCi sample of carbon-14 in becquerels?

What is the difference between a binary and non binary compound?

A 0.296g{\rm g} sample of carbon dioxide, CO2{\rm CO}_{2}, has a volume of 525mL{\rm mL} and a pressure of 425mmHg{\rm mmHg} . What is the temperature, in kelvins and degrees Celsius, of the gas?







Part A

What is the temperature, in degrees Celsius, of the gas?

Write a thermochemical equation, including enthalpy value, for the combustion of methane

What is the empirical formula and molecular formula for lactic acid if the percent composition is 40.00% C, 6.71% H, 53.29% O, and the approximate molar mass is 90 g/mol?

A 100 ml solution contains 4.7g MgCI (MM=94).The density of the solution is 1.03g/ml.Express the consentration of the solution in: c) N

A 100 ml solution contains 4.7g MgCI (MM=94).The density of the solution is 1.03g/ml.Express the consentration of the solution in: b) M

A 100 ml solution contains 4.7g MgCI (MM=94).The density of the solution is 1.03g/ml.Express the consentration of the solution in: a) % by mass