Chapter 4: Q4.92P (page 181)
Predict the product(s) and write a balanced equation for each of the following redox reactions:
Short Answer
The product and the balance equation of the given reactions are:
(a)
(b)
(c)
Chapter 4: Q4.92P (page 181)
Predict the product(s) and write a balanced equation for each of the following redox reactions:
The product and the balance equation of the given reactions are:
(a)
(b)
(c)
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Get started for freeQuestion: Zinc hydroxide is insoluble in water but dissolves when a nitric acid solution is added. Why? Write balanced total ionic and net ionic equations, showing nitric acid as it actually exists in water and the reaction as a proton-transfer process.
Question: How many moles ofions are present in the following aqueous solutions?
(a) 1.4 mL of 0.75 M hydrobromic acid
(b) 2.47 mL of 1.98 M hydriodic acid
(c) 395 mL of 0.270 M nitric acid
Sodium peroxide (Na2O2) is often used in self-contained breathing devices, such as those used in fire emergencies, because it reacts with exhaled CO2 to form Na2CO3 and O2. How many liters of respired air can react with 80.0 g of Na2O2 if each liter of respired air contains 0.0720 g of CO2?
How many moles and numbers of ions of each type are present in the following aqueous solutions?
(a) 88 mL of 1.75 M magnesium chloride
(b) 321 mL of a solution containing 0.22 g aluminum sulfate/L
(c) 1.65 L of a solution containing 8.83 x 1021 formula units of cesium nitrate per liter.
There are various methods for finding the composition of an alloy (a metal-like mixture). Show that calculating the mass % of Mg in a magnesium-aluminum alloy (d = 2.40 g/cm3) gives the same answer (within rounding) using each of these methods:
(a)
(b) an identical sample reacting with excess aqueous HCl forms
(c) an identical sample reacting with excess O2 forms 0.483 g of oxide.
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