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Suppose that you are going to collect H_2 gas produced from the reaction of an acid with a metal such as zinc. This reaction gives off heat, so the temperature of the solution will increase as the reaction proceeds. You need to know the partial pressure of the H_2 you generate as precisely as possible. What will you need to account for in you calculation? What things would you need to measure to make accurate calculations? What information would you need to look up?
The resulting mixture exerts a pressure of 731 mmHg at 83°C. (a) What is the partial pressure of each gas in the container (in mmHg)? (b) What is the mass of the original sample (in g)
How should the two heats of reactions for the neutralization of NaOH and the two acids compare? Why?
When SiO2 is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas. in an industrial preparation of silicon, 155.8 Kg of SiO2 reacts with 78.3 Kg of carbon to produce 66.1 Kg of silicon.
propane is burned in excess oxygen, 886 kj of heat is evolved. What is the delta Hrxn of this reaction?
an allergic reaction promptsnbspthe body to produce histamines.summarize the effects histamines can have on the
Calculate the pH when 3.06 g of NaClO is added to 57.2 mL of 0.50 M HClO. Ignore any changes in volume.
A beaker contains 250 mL of a 1.00 M HCl solution. how many moles of the acid would remain in the solution after 1.099 moles of HCl are neutralized? Show each step.
Patients suffering from respiratory disorders are often treated in oxygen tents in which the atmosphere is enriched in oxygen. What is the partial pressure of O2 in an oxygen tent consisting of 45% O2 for an atmospheric pressure of 753 mm Hg?
it says that isothiocyanatech3ncss carbon atom actively responses to material that has nonbonding electronsuch as oh-.
17.5 ml of oxygen gas were collected at room temperature 22degree c and 100.2 kpa of atmospheric pressure.a. how many
The decomposition of potassium chlorate (KClO3 ) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 24.1 mol of oxygen?
Given a buret filled with 0.12 M acetic acid and a second buret filled with 0.14 M sodium acetate, how many milliliters of each solution should be mixed together to produce 18.5 mL of a solution with a pH of 4.80
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