Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 9.1, Problem 2SC
To determine
The correct option that represents a chemical change.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
3. Which of the following describes an example of a material undergoing a chemical change to become
another material with different characteristics?
A. Iron turns to rust when it is exposed to oxygen.
B. When water boils, it turns into vapor, which is a gas.
C. Oxygen can become liquid at a very low temperature.
D. Gold can be spread out very thin to cover a large area.
Explanation:
1)To minimize the diffusion of gas and vapor into the food, the packaging is made ofa .polymer with nanoplatelets
b. plastic with nanopores
c .Very thin polymer
d .none of them
2)To improve solar energy efficiency, hydrophobic nanomaterials are used for
a. self-deaning
b .both of them
c .widening the absorption spectrum
a. Petroleum
b. Natural gas
c. Biogas
d. Coal
3. Are substances that provide the desired and specified effects of the
product.
a. Inactive ingredients
b. Synthetic ingredients
c. Active ingredients
d. Soaps
4. Consider the reaction between H2 and I2. If 10 moles of H2 reacts with 8
moles of I2, how many moles of HI will be formed?
a. 12 moles
b. 10 moles
c. 18 moles
d. 16 moles
poiwolle
5. Are substances that can be added to a chemical reaction to increase its
reaction rate.
a. Catalysts
b. Products
c. Reactants
d. Reactions
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
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- 1. When a liquid becomes a solid does it expand or contract? 2.Predict why it is hard to elevate or depress the temperature of water. 3. Compare and contrast how solid solutes and gas solutes differ in their relationship to solubility. Is one more or less soluble than the other, and why? 4. Research one other solute that can depress the temperature of water. Provide the name of the solute and how far it will depress temperature. Does this surprise you? 5.Predict whether large salt crystals or small crystals would lower the temperature faster; explain your answer in detail. a) If a solute dissolves in a solvent, can you retrieve the solute? b) If so, suggest a method to retrieve the solute from your Ziploc bag. c) If not, why not?arrow_forward10. A certain heat engine draws 500 cal/s from a water bath at 27°C and transfers 400 cal/s toa reservoir at a lower temperature. The efficiency of this engine is: a. 80% b. 75% c. 55% d. 20%arrow_forward3. Which of the following is true about melting process of ice? A. No energy is required for this process it happens spontaneously B. The energy is required to increase the average kinetic energy of molecules C. The energy is required to decrease the average kinetic energy of molecules D. The energy is required to increase the potential energy between the moleculesarrow_forward
- 5- Which of the following chemical is used for heat transfer? a. LiBr b. Ethyl Glycol c. Water d. Liquid Ammoniaarrow_forwardSupposed 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_forward2. I mix 1 L of 0.1 M ammonium phosphate with 1 L of 0.1 M stronti of reaction will occur? a. Redox reaction b. Precipitation reaction c. Acid-base reaction d. All of the above 19 E reduced in each of the following reactions:arrow_forward
- 4. For the reaction, H2 + Br2 2HB1, a proposed reaction mechanism is given below: Br2 → 2Br. (fast) Br. + H2 – + HBr + H. (slow) Br2 + H. HBr + Br: (fast) Br + Br- Br2 (fast) If the above reaction mechanism is correct, what will be the rate law for this reaction?arrow_forwardQUESTION 5 Which of the following substances decreases in density when it freezes from a liquid to a solid? a. Ethyl alcohol b. Molten iron C. Water d. Motor oil e. Turpentinearrow_forward1. Can a shampoo clean without the presence of foam? Explain 2. Explain in your own words how foam is created.arrow_forward
- Which of the following cannot be obtained using a phase diagram? D Select one: a. Temperature range for solidification b. Equilibrium solid solubility c. Melting temperatures of various phases Purity of materialsarrow_forward. Explain the sol-gel method and explain the factors affecting it. 7 L:_I . ch.arrow_forward8. In a mixture of weak acid and its salt, the ratio of the concentration of acid to salt is increased ten fold. The pH of the solution A. decreases by one B. decreases by one tenth C. increases by one D. increases ten fold 9. In a solution, when the concentrations of a weak acid and its conjugate base are equal, A. the system is not at equilibrium. B. the buffering capacity is significantly decreased. C. the -log of the [H*] and the -log of the K, are equal. D. all of the above are true. 10. Consider a solution which is 0.10 M in CH3COOH and 0.20 M in NaCH;COO. Which of the following statements is TRUE? A. If a small amount of NaOH is added, the pH decreases very slightly. B. If NaOH is added, the OH" ions react with the CH3CO0' ions. C. If a small amount of HCl is added, the pH decreases very slightly. D. If HCl is added, the H* ions react with CH3COOH ions.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
An Introduction to Physical SciencePhysicsISBN:9781305079137Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar TorresPublisher:Cengage Learning
An Introduction to Physical Science
Physics
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:Cengage Learning