Chemistry, 10.10.2019 07:20 savannahsharp4463
Tim. dissolves 0.5 grams of sugar in a beaker containing 50.0g of water, as shown below. what is the mass of the solution?
a. 50.0g
b.25.0g
c.50.5 g
d.45.5g
Answers: 1
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If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?
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When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
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Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
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Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.
Answers: 1
Tim. dissolves 0.5 grams of sugar in a beaker containing 50.0g of water, as shown below. what is the...
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