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Rubidium carbonate, Rb2CO3(aq), reacts with hydrobromic acid, HBr(aq), to form a salt, a gas, and H2O(l).
(a) Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
0.75 g of hydrogen chloride (HCl) is dissolved in water to make 7.0 L of solution. What is the pH of the resulting hydrochloric acid solution.
What are the factors that can influence the rate of a chemical reaction? 2- Why do the rates of most chemical reactions slow down over time?
Consider the reaction 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s). If 12.5 g of iron(III) oxide (rust) are produced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
Calculate the molecular rms speeds of He atoms at 10, 100, 1000 K in units of meters per second and miles per hour.
A sunscreen preparation with a density of 2.82 g/mL contains 3.55% by mass zinc(II) oxide. Each tube is filled with 185.0 mL of sunscreen. If you are the manufacturer and use 5.00 lb of zinc(II) oxide.
The heat of combustion of cyclobutane is 650.3 kcal/mol. How much energy is released during the complete combustion of 450 grams of cyclobutane.
Chemistry - Analytical Chemistry - Molar Mass, An aqueous solution is made by dissolving 33.2g of the compound in 250mL of water. The solution has an Osmotic Pressure of 1.2 atm
Calculate the mass (in mg) of KCN needed to make 500. mL of aqueous KCN solution with a pH of 10.00.
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
calculate the number of microstates, W, that have this energy. Make sketches of these microstates. Calculate the corresponding entropy for each state.
How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq) + H2SO4(aq) => (NH4)2SO4(aq).
What is the mass of CO2 in one liter of water if the pressure above the water is 2 atm? (MW CO2 = 44 g/mol), Cg = kH Pg Please show steps
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