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75 grams of calcium oxide react with 130 grams of hydrochloride acid to produce a salt and water. How many grams of water are produced in the reaction? If 55 grams of salt were actually produced, what is the percent yield?
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130J of heat. As it expands, it does 76kJ of work. What is the change in internal energy for the system?
potassiumm chlorate (KClO3) decomposes to form potassium chloride and oxygen gas. if 5.4 moles of potassium chlorate decompose, how many moles of oxygen could be produce.
the ionization potential for a certain atom is 350kjmol. if the electron is in the first excited state the ionization
A 3.00 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?
What is the pH of a solution that mixes 30mL of 0.01M CH3COOH with 30mL 0.0075M NaCH3CO2? (Assume the volumes are additive
1. Draw the diels alder product for the reaction between 3-methyl-2,4-hexadiene and maleic anhydride 2. Draw the 1,2 and 1,2 and 1,4 addition products for the reaction between 3-methyl-2,4 hexadiene and HBr
What is the pH after 0.150mol of HCl is added to the buffer from Part A. Assume no volume change on the addition of the acid. Express the pH numerically to two decimal places.
A room with dimensions 7.00m by 8.00m by 2.50m is to be filled with pure oxygen at 22.0C and 1.00atm . The molar mass of oxygen
Chlorine gas (Cl2) is bubbled into an absorption column containing hot sodium hydroxide (NaOH) solution in order to produce sodium chlorate (NaClO3) according to the following chemical equation: 6NaOH + 3Cl2 = 5NaCl + NaClO3 + 3H2O
Explain If 1.2 M H2SO4 is used to titrate a 280.0 mL solution of 0.88 M ammonia (NH3), Explain what volume of acid is required to completely defuse the base. Every mole of this strong diprotic acid produces two moles of hydronium ions in water.
answer the following questions for the soil data listed below.nbspnbspnbspnbspnbspnbspnbspnbsp exchangeable cations
The half-life of cobalt-60 is 5.20 yr. How many milligrams of a 1.000-mg sample remains after 3.50 years?
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