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The total Calories for 2 tablespoons of crunchy peanut butter that contains 6 of carbohydrate, 16 of fat, and 7 of protein
The atomic weight of hydrogen is 1 and the atomic weight of oxygen is 16. To produce 72 grams of water how many grams of hydrogen and how many grams of oxygen do you use
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
if 0.91 mol of cs2 reacts with oxygen completely according to the equation cs2l 3 o2g rarr co2g 2 so2g what volume
A mixture of 1 atm chlorine gas and 1 atm oxygen gas and no product undergoes this reaction. Cl2 + 2 O2 ---> 2 ClO2 What equation would be used to solve for the equilibrium concentrations
One piece of copper jewelry at 108 degrees Celsius has exactly twice the mass of another piece, which is at 44 degrees Celsius. Both pieces are placed inside a calorimeter whose heat capacity is negligible.
A chemist dissolves 0.151g of pure perchloric acid in enough water to make up 0.370L of solution. Calculate the pH of the solution. Be sure your answer has the correct number of significant digits.
Purpose a mechanism for Sn2 reaction 1-chlorobutane with sodium iodide in acetone.
A wildlife biologist is interested in testing the pH of the water in a lake. He obtains a 200. mL sample of the water and titrates this sample with a .050 M NaOH solution.
H2S (aq) is a polyprotic acid, meaning it can dissociate its hydrogen ion more than once. However, HS- (given its negative charge as well as its extra hydrogen ion) can act as either a base or an acid
A 3.77g sample of oxalic acid (H2C2O4x2H2O) was dissolved in enough water to make 1000 mL of solution. Then 17.15mL of this oxalic acid solution was titrated to the end point with 22.05mL of an unknown sodium hydroxide soloution.
oxalic acid is a relatively strong diprotic acid with ka1 5.6 acute 10-2 and ka2 5.1 acute 10-5.what is the c2o42-
Air is flowing through a duct. The atmospheric pressure is 730 mm Hg. What is the absolute pressure of the air in inches of mercury
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