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When 1.0 g of snack cake is combusted in a constant-pressure bomb calorimeter with a heat capacity (including its water) of 10.0 kJ/°C, the temperature of the calorimeter rises by 2.24°C. How many nutritional calories (Calories) are in one serving (28 g) of this snack cake
In the directions it states "weigh about 5 grams of sodium chloride". Give minimum and maximum amounts of sodium chloride that would satisfy these instructions.
Molecules are mobile in a gas and some reactions can be run in the gas phase. Give several reasons solutions are preferable for synthetic reactions.
Aluminum sulphate is used in sand paper, among other uses. How many g of aluminum oxide dihydrate will be needed to produce 500 g of aluminum sulphate by the (unbalanced) reaction below? Al2O3 •2H2O + H2SO4 Al2(SO4)3 + H2O
how many phosphoester bonds and phosphoanhydride bonds are in adenosine
A 2.00g sample of a particular compound was dissolved in 15.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85 Celcuis.
Which of the following statements about the hydrohalogenation of 2-methyl-2-pentene with HCl is true? The halide ion acts as the electrophile in the second step of the reaction.
In reference to the tripeptide Gly-Ala-Val, what is the isoelectric point at a pH of 5 and in what direction would it move if placed in an electric field.
Calculate the maximum amount of CO2 that can be produced when 64.0 g of O2 and 64.0 g of CH3 OH are mixed for the reaction 2 CH3OH + 3 O2 → 2 CO2 + 4 H2 O .
A 45.5 g sample of copper at 99.8 degrees celsius is dropped into a beaker containing 152 g of water at 18.5 degrees celsius. What is the final temperature when thermal equilibrium is reached?
What is the pH of the solution during the titration when the following volumes of the NaOH have been added to 34.5-mL of the acid.
What is the activation energy in kJ/mol? What is the rate constant at 100 degrees C?
If 2.50 g CuSO4 are dissolved in 8.0E2 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium
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