EP BASIC CHEMISTRY-STANDALONE ACCESS
6th Edition
ISBN: 9780134999890
Author: Timberlake
Publisher: PEARSON CO
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Chapter 9, Problem 84CP
The following problems are related to the topics in this chapter. However, they do not all follow the chapter order and they require you to combine concepts and skills from several sections. These problems will help you increase your critical thinking skills and prepare for your next exam.
In the body, ethanol (
a. How many grams of
b. How many grams of
c. How many grams of
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Part I. Complete the following chemical reactions. Do not forget to balance the reaction, the states of matter and answer any questions that are asked. In the next reaction, a gas is formed. (19 points).
HCl (aq) + Mg (s) →
Gas that was released:
Mg (s) + O2 (g) →
Cu2S (s) + O2 (g) →
Gas that was released:
Chemical equation: HCl(aq) + NaHCO3(aq) → NaCl(aq) + H2O(l) + CO2(g)
Written description: A solution of hydrochloric acid reacts with a solution of sodium hydrogen carbonate to produce a solution of sodium chloride, water and bubbles of carbon dioxide gas.
Observations:
9.9
Chapter 9 Solutions
EP BASIC CHEMISTRY-STANDALONE ACCESS
Ch. 9.1 - Calculate the total mass of the reactants and the...Ch. 9.1 - Calculate the total mass of the reactants and the...Ch. 9.2 - Calculate the total mass of the reactants and the...Ch. 9.2 - Write all of the mole-mole factors for each of the...Ch. 9.2 - For the chemical equations in problem 9.3, write...Ch. 9.2 - For the chemical equations in problem 9.4, write...Ch. 9.2 - The chemical reaction of hydrogen with oxygen...Ch. 9.2 - Ammonia is produced by the chemical reaction of...Ch. 9.2 - Carbon disulfide and carbon monoxide are produced...Ch. 9.2 - In the acetylene torch, acetylene gas burns in...
Ch. 9.3 - Sodium reacts with oxygen to produce sodium oxide....Ch. 9.3 - Nitrogen reacts with hydrogen to produce ammonia....Ch. 9.3 - Ammonia and oxygen react to form nitrogen and...Ch. 9.3 - Iron(III) oxide reacts with carbon to give iron...Ch. 9.3 - Prob. 15PPCh. 9.3 - Calcium cyanamide, CaCN2 , reacts with water to...Ch. 9.3 - Prob. 17PPCh. 9.3 - Prob. 18PPCh. 9.4 - A taxi company has 10 taxis. a. On a certain day,...Ch. 9.4 - Prob. 20PPCh. 9.4 - Prob. 21PPCh. 9.4 - Iron and oxygen react to form iron(III) oxide....Ch. 9.4 - For each of the following reactions, 20.0 g of...Ch. 9.4 - For each of the following reactions, 20.0 g of...Ch. 9.4 - For each of the following reactions, calculate the...Ch. 9.4 - For each of the following reactions, calculate the...Ch. 9.5 - Carbon disulfide is produced by the reaction of...Ch. 9.5 - Iron (III) oxide reacts with carbon monoxide to...Ch. 9.5 - Aluminum reacts with oxygen to produce aluminum...Ch. 9.5 - Propane ( C3H8 ) bums in oxygen to produce carbon...Ch. 9.5 - Prob. 31PPCh. 9.5 - When 56.6 g of calcium is reacted with nitrogen...Ch. 9.6 - In an exothermic reaction, is the energy of the...Ch. 9.6 - In an endothermic reaction, is the energy of the...Ch. 9.6 - Prob. 35PPCh. 9.6 - Prob. 36PPCh. 9.6 - Classify each of the following as exothermic or...Ch. 9.6 - Classify each of the following as exothermic or...Ch. 9.6 - Prob. 39PPCh. 9.6 - a. How many kilojoules are released when 75.0 g of...Ch. 9.6 - Prob. 41PPCh. 9.6 - Calculate the energy change for the reaction...Ch. 9.6 - Prob. 43PPCh. 9.6 - Prob. 44PPCh. 9.6 - In one step in the synthesis of the insecticide...Ch. 9.6 - Another widely used insecticide is carbofuran...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - Prob. 55APPCh. 9 - Prob. 56APPCh. 9 - Prob. 57APPCh. 9 - Prob. 58APPCh. 9 - Prob. 59APPCh. 9 - Prob. 60APPCh. 9 - Pentane gas ( C5H12 ) reacts with oxygen to...Ch. 9 - Prob. 62APPCh. 9 - Prob. 63APPCh. 9 - Prob. 64APPCh. 9 - Prob. 65APPCh. 9 - Prob. 66APPCh. 9 - Prob. 67APPCh. 9 - Prob. 68APPCh. 9 - Prob. 69APPCh. 9 - The equation for the reaction of iron and oxygen...Ch. 9 - Prob. 71APPCh. 9 - Prob. 72APPCh. 9 - Prob. 73CPCh. 9 - Prob. 74CPCh. 9 - Prob. 75CPCh. 9 - The following problems are related to the topics...Ch. 9 - Prob. 77CPCh. 9 - Prob. 78CPCh. 9 - Prob. 79CPCh. 9 - Prob. 80CPCh. 9 - The following problems are related to the topics...Ch. 9 - Prob. 82CPCh. 9 - Prob. 83CPCh. 9 - The following problems are related to the topics...Ch. 9 - Prob. 85CPCh. 9 - Prob. 86CP
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- Chlorine dioxide, ClO2, is a reddish yellow gas used in bleaching paper pulp. The average speed of a ClO2 molecule at 25C is 306 m/s. What is the kinetic energy (in joules) of a ClO2 molecule moving at this speed?arrow_forward53. The combustion of glucose, CH1,O, forms carbon dioxide gas and water vapour. When a 1.00 g sample of glucose was burned, it raised the temperature 100.0 mL of water by 37.0 °C. (5.2, 5.3, 5.5) AA (a) Write a balanced chemical equation for this reaction. (b) Use AH to calculate the enthalpy change of this of reaction. (c) Use bond energies in Table 1 on page 307 to calculate the enthalpy change of this reaction. The structural formula of glucose is shown in Figure 1.arrow_forwardAccording to the given reactions, which of the following is not exothermic? SO2(g) – S(s) + 02(g) SO3(g) – S(s) + 3/2 O2(g) AH = +195 kJ/mol AH = +199 kJ/mol SO3(e) – SO2(g) + 1/2 O2(g) OA. 2 S(s) + 2 02(g) –→2 SO2(g) В. 2 S(s) + 5/2 02(g) – SO2(g) + SO3(g) 2502(g) – 25(s) + 202(g) 2 S(s) + 3 02(g) –→2 SO3(g) OE.arrow_forward
- 6.(0-2) Black powder was invented in China in the 9th century. It was used as an explosive with propelling properties. Today it is used in fireworks, model rocket engines, and replica black powder weapons. Black powder consists of potassium nitrate (potassium nitrate, KN03), charcoal and sulfur. A variety of chemical reactions take place when this mixture is exploded. One of these is shown below. 2KNO, +S+ 30 → K, S+N, ↑+3C0, 1 Knowing that carbon makes up 15% of the black powder, calculate the total volume of gases (under normal conditions) released when 0.1 kg of black powder explodes. Assume that only the chemical reaction given above occurs.arrow_forward2. 13.9 g of ammonium nitrate is dissolved in a total volume of 225 mL in a coffee cup calorimeter. If the initial temperature of the water is 27.0 °C, what will the final temperature of the solution be if the heat of solution of ammonium nitrate is 25.7 kJ/mol? Density of the solution is 1.02 g/mL, the specific heat is approximately 4.17 J/g.ºC, and the molar mass of ammonium nitrate is 80.043 g/mol.arrow_forward(Q6) Nitroglycerine combustion takes place in a bomb calorimeter that is insulated by 639.6 grams of water. Given that the specific heat of the bomb calorimeter is 1,015 J/°C, and the temperature of the water increased by 38.04 °C, how much heat (in kJ) was released as a result of the combustion? (3 sf)arrow_forward
- (7.6)Aluminum oxide decomposes to aluminum and oxygen gas by the following reaction. Al2O3(s)- → 2Al(s) + 3/2 O2(g) A Hrxn 1676 kJ = Is this reaction endothermic or exothermic? [Choose ] [Choose 1676 kJ If 1.049 moles of aluminum was formed by the reaction, how much heat (kJ) would be involved? 440 kJ endothermic 1760 kJ 879 kJ exothermicarrow_forwardI'm not sure how I can answer this question.arrow_forwardWhen 2 moles of H2S(g) react with O2(g) to form H2O(l) and SO2(g) according to the following equation, 1.12×103 kJ of energy are evolved. 2H2S(g) + 3O2(g)---->2H2O(l) + 2SO2(g) Is this reaction endothermic or exothermic? _________(endothermic or exothermic)What is the value of q? ________kJarrow_forward
- What mass of liquid water at room temperature (25°C) can be raised to its boiling point with the addition of 24 kJ of energy? (77g)arrow_forwardAdditional Activities Ethylene, a colorless gas with the formula C,Ha is formed from the reaction of calcium carbide with excess water. This gas is a plant hormone which is responsible for the ripening of fruits. It is also a combustible gas. Assuming that the reaction is complete, how many grams of water is produced when 56 grams of ethylene gas reacts with excess oxygen gas? (MMrthylenej: 26 g/mol] (MMwater): 18 g/mol). Write your answers in a separate sheet of paper. Solution:arrow_forward6.62 From the following data, C(graphite) + O₂(g) → CO₂(g) AH-393.5 kJ/mol H₂(g) + O₂(g) → H₂O(1) AH = -285.8 kJ/mol 2C₂H6(g) +70₂(g) →4CO2(g) + 6H₂O(1) AH-3119.06 kJ/mol calculate the enthalpy change for the reaction 2C(graphite) + 3H₂(g) → C₂H₂(g)arrow_forward
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