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Balance and complete these reactions. Also write reaction type (combination, decomposition, single replacement, double replacement) a. Cu+ HNO3 ---> b.Cu(NO3)2 + NaOH ---> c. Cu(OH)2 (heat)---> d. CuO +H2SO4---> e. Zn + CuSO4 ---> f. Zn + H2SO4 --->
When they are heated, the final temperature of A is 55 degree C higher than the temperature of B. What does this tell you of the specific heats of A and B
200 million over a five year period. how many dollars is that paid per second?
What volume will carbon dioxide originally 30.0 mL at 27°C have at 77°C
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
Draw the skeleton structure of the repeating unit of the polyester made from this molecule via a condensation reaction
How many moles is a cube of gold with sides of 2.364 cm? Density of gold is 19.30 g/mL What is the atomic mass of gold?what is the name of the commom laboratory equipment.
If the concentration of bromide ion in a saturated solution in equlibrium with PbBr2 solid is determined to be .0125M what is the solubility of PbBr2
What is the molecular formula of a product obtained by adding fluorine to 1-butene and then cracking out
A standard men's basketball has a circumference of 29.5 inches. If I fill the ball with Helium to the recommended 9.0 psi at room temperature (25 C), how many grams will the Helium in the ball weigh?
Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
A solution is prepared by mixing 4 ml of .20 M NH3, 1 ml of .20 M HCl, and 5 ml of water. Calculate the concentration of NH3 and NH4+ in the final diluted solution.
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