CAlculate the mass of the sample in grams Science Assignment Help. CAlculate the mass of the sample in grams Science Assignment Help.
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A sample of ethanol (C2H5OH) was burned completely in a bomb calorimeter whose total heat capacity is 30.75 kJ/oC. The temperature of the calorimeter plus the contents increased from 25.6oC to 33.1oC.
Knowing that ethanol’s heat of combustion is -1920 kJ/mol, calculate the mass of the sample (in g).
CAlculate the mass of the sample in grams Science Assignment Help[supanova_question]
The hydronium ion concentration of an aqueous solution of 0.581 M benzoic acid, Science Assignment Help
The hydronium ion concentration of an aqueous solution of 0.581 M benzoic acid, C6H5COOH (Ka = 6.30E-5) is
[H3O+] = M.
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In the laboratory, a general chemistry student measured the pH of a 0.581 M aque Science Assignment Help
In the laboratory, a general chemistry student measured the pH of a 0.581 M aqueous solution of benzoic acid, C6H5COOH to be 2.236.
Use the information she obtained to determine the Ka for this acid.
Ka(experiment) =
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Calculate the mass of the sample in grams Science Assignment Help
A sample of ethanol (C2H5OH) was burned completely in a bomb calorimeter whose total heat capacity is 30.75 kJ/oC. The temperature of the calorimeter plus the contents increased from 25.6oC to 32.7oC.
Knowing that ethanol’s heat of combustion is -3330 kJ/mol, calculate the mass of the sample (in g).
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biology help please???????????? Science Assignment Help
- The
upper chambers of the heart are the _____
- The
lower chambers of the heart are the _____
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HCN + (CH3)3N(CH3)3NH+ + CN- (CH3)3N (CH3)3NH+ HCN CN- Stronger Bronsted-Lowry Science Assignment Help
HCN + (CH3)3N(CH3)3NH+ + CN–
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HCN + (CH3)3N(CH3)3NH+ + CN- (CH3)3N (CH3)3NH+ HCN CN- Stronger Bronsted-Lowry Science Assignment Help[supanova_question]
assume that postage rates are $0.44 for the first ounce, plus $0.20 for each additional ounce, and t Mathematics Assignment Help
Here is the actual question:
Assume that postage rates are $0.44 for the first ounce, plus $0.20 for each additional ounce, and that each letter carries one $0.44 stamp and as many $0.20 stamps as necessary. Graph the function f that models the number of stamps on a letter weighing x ounces over the interval (0,5].
I need the function that this word problem makes. I really need step by step instructions but, I have no idea how to do it. Please help.
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Acceleration of an object Science Assignment Help
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The hydroxide ion concentration of an aqueous solution of 0.581 M acetic acid is Science Assignment Help
The hydroxide ion concentration of an aqueous solution of 0.581 M acetic acid is
[OH–] = M.
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For the following reaction, K < 1. Science Assignment Help
For the following reaction, K < 1. Classify each of the reactants and products based on their strength as Bronsted-Lowry acids or bases.
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CAlculate the mass of the sample in grams Science Assignment Help
CAlculate the mass of the sample in grams Science Assignment Help