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KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol. In the titration, 20.46 mL of the sodium hydroxide solution was required to react with 0.1082 g KHP. Calculate the molarity of the sodium hydroxide.
Consider the following reaction: CO(g)+H2O(g)in equilibrium with CO2(g)+H2
What is the concentration of CO in molecules per cubic meter?
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 73.4 kj of heat. Before the reaction, the volume of the system was 7.40L .
An aqueous solution containing 15.6 g of an unknown molecular (nonelectrolyte) compound in 109.5g of water was found to have a freezing point of -1.9 degrees C.
Suppose that the reaction X+Y==> Z has a rate law=k[X][Y] a.What is the overall order of the reaction? b.What is the order with respect to X?To Y?
how many grams of potassium are present in 13.6g of K2Cr2O7
Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy data calculate Delta Hf for CaC2
Use this information to estimate the X-X (single-)bond energy in the X2H4 molecule.
If 3.8kcal of energy is released when 1 gram of glucose is combusted, how many kcals are released when 0.689 moles of glucose are combusted
What is the sum of the charges on alanine, aspartic acid, and lysine? Describe how you could use salt solutions that contain cations to control the interaction between the stationary phase and the amino acids
Did enzyme denaturing affect the active site? what amino acid residue in catalase would change by more basic PH
Chlorine gas can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid. How much MnO2 should be reacted with excess HCl to obtain 275 mL of chlorine gas at 5.0 °C and 650 mmHg?
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