Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 9, Problem 18CQ
To determine
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Was the reaction exothermic or endothermic? Explain.
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b. Calculate how much heat the water lost or gained.
In a coffee-cup calorimeter, 100.0 g of H₂0 and 100.0 mL of HCI are mixed. The HCI had an initial temperature of
44.6 °C and the water was originally at 24.6 RC. After the reaction, the temperature of both substances is 31.3
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Note: You may assume you have an excess of either reactant if the reaction requires more than one of those molecules to form the products.
In the drawing area below, draw the skeletal ("line") structures of the missing organic products X and Y. You may draw the structures in any arrangement that
you like, so long as they aren't touching.
H+
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Which clue can be used to identify a chemical reaction as a combustion reaction?
O Oxygen is a product.
O A hydrocarbon reacts with oxygen.
O Water and carbon dioxide react.
The reaction involves ions.
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Chapter 9 Solutions
Integrated Science
Ch. 9.1 - Prob. 1SCCh. 9.1 - Prob. 2SCCh. 9.1 - Prob. 3SCCh. 9.5 - Prob. 4SCCh. 9.5 - Prob. 5SCCh. 9.6 - Prob. 6SCCh. 9.6 - Prob. 7SCCh. 9.7 - Prob. 8SCCh. 9.7 - Prob. 9SCCh. 9.8 - Prob. 10SC
Ch. 9.8 - Prob. 11SCCh. 9.8 - Prob. 12SCCh. 9 - Prob. 1CQCh. 9 - Prob. 2CQCh. 9 - Prob. 3CQCh. 9 - Prob. 4CQCh. 9 - Prob. 5CQCh. 9 - Prob. 6CQCh. 9 - Prob. 7CQCh. 9 - Prob. 8CQCh. 9 - Prob. 9CQCh. 9 - Prob. 10CQCh. 9 - Prob. 11CQCh. 9 - Prob. 12CQCh. 9 - Prob. 13CQCh. 9 - Prob. 14CQCh. 9 - Prob. 15CQCh. 9 - Prob. 16CQCh. 9 - Prob. 17CQCh. 9 - Prob. 18CQCh. 9 - Prob. 19CQCh. 9 - Prob. 1PEACh. 9 - Prob. 2PEACh. 9 - Prob. 3PEACh. 9 - Prob. 4PEACh. 9 - Prob. 5PEACh. 9 - Prob. 6PEACh. 9 - Prob. 7PEACh. 9 - Prob. 8PEACh. 9 - Prob. 9PEACh. 9 - Prob. 10PEACh. 9 - Prob. 1PEBCh. 9 - Prob. 2PEBCh. 9 - Prob. 3PEBCh. 9 - Prob. 4PEBCh. 9 - Prob. 5PEBCh. 9 - Prob. 6PEBCh. 9 - Prob. 7PEBCh. 9 - Prob. 8PEBCh. 9 - Prob. 9PEBCh. 9 - Prob. 10PEB
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- Balance the following equations, and indicate whether they are combination, decomposition, or combustion reactions. C₂H4 (9) + O2(g) → CO₂(g) + H₂O(g) Express your answers as integers separated by commas. IVE ΑΣΦ ? Mg(s) + N₂(g) → Mg3N₂ (8) Express your answers as integers separated by commas. IVE ΑΣΦ ?arrow_forwardWhy endothermic and exothermic processes are very interesting topic (give 5 reasons) and how do you apply this concept (endothermic and exothermic processes) in endeavoring everyday life?arrow_forwardQ1: The following reactions were found to occur while trying to make a desired product B A B -TAI=K₁AC₁ A-X -TA2 = K₂A CA A+X-Y -TA3=K3A CACX Species X and Y are both foul pollutants a) What is the point selectivity of B with respect to the foul pollutants X and Y? Plot the point selectivity as function of CA (CAo=1 M) at 300 K. b) How would you carry out this reaction to maximize the formation of B (type of reactor preferred)? Just give a recommendation based on (a). Additional Information -10,000/T KIA =.5 e min Tin degrees Kelvin -20,000/T K2A = 50 e min T in degrees Kelvin min¹, T in degrees Kelvin K3A = 100 e 5,000/Tarrow_forward
- A certain reaction is found to be reactant favored. Which of the following is a correct description of the reaction? a) AG° >0, K>1 b) AG° 1 c) AG° >0, K < 1 d) AG° <0, K<1 e) AG = 0, K< 1arrow_forwardHow is baking powder prepared?explain.arrow_forwardSENTENCE COMPLETION Directions: Complete the group of words to form relevant ideas about the lesson. 1-3. According to the collision theory, there are three (3) requirements for a reaction these are and to occur 4-7. The factors that can affect the rate of reaction are and 8. Increasing the concentration of reactants in a solution the frequency of collision of particies and the rate of reaction. 9. Increasing the concentration means, there is more of in the solution. 10. Increasing the temperature the collision of particles. 11. Increasing the temperature particles. the kinetic energy of 12. The greater the size of particles, the is the surface area. 13. The smaller the size of particles, the is the surface area. 14-15. Remember, not all reactions happen at the same speed. Some are while others arearrow_forward
- Supposed groceries ran out of stock for disinfectant products and you found out that there is still 1L household bleach left in your home. Question: 1. From 1 L of household bleach available, a. How much volume of 1:10 house hold bleach solution will you be able to prepare ? b. How much volume of water is needed? c. It has been mentioned earlier that household bleach is a solution of sodium hypochlorite which generally contains 5% (50 g/liter or 50 000 ppm) available chlorine, how many percent of chlorine is present in this solution?arrow_forwardWhich one of the following is an example to positive feedback occurring in physiological system that caused large drop in free energy so reaction become irreversible? Select one: a. Blood clothing reaction involving fibrin and fibrinogen O b. Enzyme of hexokinase associated with Glycolysis c. Bronchiole constriction in response to some allergens O d. a & b e. a & c O f. b & c g. a, b & carrow_forwardDefine an equilibrium constant for gas-phase reaction.arrow_forward
- ABC The table below shows the number of each kind of atom that makes up one molecule of sucrose and one molecuke of ethanol. Number of Atoms per Molecule Molecule Carbon Oxygen Hydrogen Sucrose 12 11 22 Ethanol 11 Based on this information, which of the following is the same for both molecules? The size of each molecule The types of atoms in each molecule The number of atoms in each molecule The physical and chemical properties of each molecule @2021 lluminate EducationTM, Inc.arrow_forwardSuccesst. Figure 1 Figure 2arrow_forwardThe Half-life of Pennies Lab Can you use pennies to demonstrate "decay? Imagine existing more than 5,000 years and still having more than 5,000 to go! That is exactly what the unstable element carbon-14 does. Carbon-14 is a special unstable element used in the absolute dating of material that was once alive, such as fossil bones. Every 5,730 years, half of the carbon-14 in a fossil specimen decays or breaks down into a more stable element. In the following lab you will see how pennies can show the same kind of "decay." Materials • 100 pennies • large container with a cover Procedure a. Place 100 pennies in a large, covered container. Shake the container several times and remove the cover. Carefully empty the container on a flat surface, making sure the pennies don't roll away. b. Remove all the coins that have the "head" side of the coin turned upward. Record the number of pennies removed and the number of pennies remaining in the data table below. Shake number Number of coins removed…arrow_forward
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