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Find the pH of a 0.130 M solution of a weak monoprotic acid with a Ka value of 1.6 *10(to the power of -6)
Compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO 2 ) gas at 359 K: express your answer in kilo joules
What exactly are myosin, actin, troponin and tropomyosin chemically?, What molecule releases energy when its bonds are broken. Which bonds are broken to release that energy?
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
The heat of neutralization of HCl by NaOH is H°rxn = -56.2 kJ/mol. How much heat is released when 125 mL of 1.750 M HCl is mixed with 195 mL of 0.667 M NaOH.
Suppose that the volume of a particular sample of Cl2 gas is 8.7 L at 895 torr and 24 degrees Celsius. How many grams of Cl2 are there in the sample.
What scientific principle or law is used in the process of balancing chemical equations. Define the terms limiting reactant and excess reactant.
Determine the Volume of air and partial pressure of nitrogen, oxygen, water vapor and air
How much heat is evolved when 3ll.5g of ammonia (NH3) gas condenses to a liquid at its boiling point? ^Hvap= 23.3 kj/mol.
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
C2H4 + 3O2 = 2CO2 + 2H2O if you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced.
How many grams of CaH2 are needed to generate 147 L of H2 gas if the pressure of is 824 torr at 295K ?
In the combustion reaction of 149 g of propane with excess oxygen, what volume of carbon dioxide if produced at STP?
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