Homework Answers
1 kwh = 3.6 * 10 ^6 joule
700 kwh = 700* 3.6 *10 ^6 joule = 2.52 * 10 ^ 9 joule
4.18 joule = 1 calorie
Total energy = 2.52 * 10 ^ 9 / 4.18 calorie
= 6.02 * 10 8 calorie
Add Answer to:
Exercise 7.36 - Enhanced - with Feedback MISSED THIS? Read Section 7.2 (Pages 264 - 266)...
Part B MISSED THIS? Read Section 7.2 (Pages 264 - 266) A particular frost-free refrigerator uses about 780 kWh of e...
Part B MISSED THIS? Read Section 7.2 (Pages 264 - 266) A particular frost-free refrigerator uses about 780 kWh of electrical energy per year. Express this amount of energy in kilojoules (kJ). 281x106 kJ Submit Previous Answers Correct The energy in kilojoules is equal to the energy in joules divia Significant Figures Feedback: Your answer 2808.10.2 differently or used a different number of significant figures the Part C Express this amount of energy in Calories (Cal). 90 AXPO ? Submit...
Part C MISSED THIS? Read Section 7.2 (Pages 264 - 266) Perform each conversion between energy...
Part C MISSED THIS? Read Section 7.2 (Pages 264 - 266) Perform each conversion between energy units. 2.26x10 kJ to kWh Express the value in kilowatt-hours to three significant figures. AED * O a ? kWh Submit Request Answer Part D 3.17x104J to Cal Express the value in Calories to three significant figures. O AED O ? Cal Submit Previous Answers Request Answer
If you mix a 10 mL solution of 0.1 M glucose with a 10 mL solution...
If you mix a 10 mL solution of 0.1 M glucose with a 10 mL solution of 0.1 M methanol, how will the conductance of methanol solution change? Explain. Chapter 7 Exercise 7.36- Enhanced -with Feedback MISSED THIS? Read Section 7.2 (Pages 264-266) A particular frost-free refrigerator uses about 780 Part A kWh of electrical energy per year. Express this amount of energy in joules (J). να ΑΣφ ? J Submit Request Answer Part B Express this amount of energy...
Exercise 4.46 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 4.4(Pages 149. 155),...
Exercise 4.46 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 4.4(Pages 149. 155), Watch KCV 4.4, IWE 46 Part A Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + Ch. (e) 4PCS() A reaction mixture initially contains 45.53 g P, and 131.5 Cla Once the reaction has reached completion what massing of the excess reactant is let? Express the mass in grams to three significant figures. View Available Hints) EVO AE + ? Submit...
Find the final temperature Exercise 7.67 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 7.4 (Pages 2...
Find the final temperature
Exercise 7.67 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 7.4 (Pages 272 - 278) : Watch KGV 7.4, IWE 7.3. A 31.2 g wafer of pure gold initially at 69.5 °C is submerged into 63.6 g of water at 26.9 °C in an insulated container.
Exercise 9.44 - Enhanced - with Feedback You may want to reference (Pages 373 - 379) Section 9.4 while completing...
Exercise 9.44 - Enhanced - with Feedback You may want to reference (Pages 373 - 379) Section 9.4 while completing this problem. Part B An unknown mass of each of the following substances, initially at 23.0°C, absorbs 1940 J of heat. The final temperature is recorded as indicated. Find the mass of each substance. sand (T) = 62.2 °C) Express your answer using two significant figures. 19] ΑΣΦ 6 και ο α ? 62.8 Submit Previous Answers Request Answer X...
urse Home CChapter 10 Homework Problem 10.44-Enhanced-with Feedback You may want to reference (Pages 340-345) Section...
urse Home CChapter 10 Homework Problem 10.44-Enhanced-with Feedback You may want to reference (Pages 340-345) Section 10.6 while completing this problem. PartA A patient with respiratory alkalosis has a blood plasma pH of 7.57. What is the [OH of the blood plasma? Express your answer to two significant figures and include the appropriate units. (OH- 0.317 SubmitP Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining; no points deducted Use either an integer, decimal number, or scientific notation for...
< Homework 8 Problem 10.32-Enhanced- with Feedback You may want to reference (Pages 338-340) Section 10.5...
< Homework 8 Problem 10.32-Enhanced- with Feedback You may want to reference (Pages 338-340) Section 10.5 while completing this problem. Calculate the (OH value of each aqueous solution. Part A oven cleaner, with [H3O+ ]--1.0 × 10-12 M Express your answer using two significant figures. 圏? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B milk of magnesia with [H30' ] :-2.0 × 10-9 M. Express your answer using two significant figures Submit Request Answer
Part A MISSED THIS? Read Section 19.6 (Pages 863 - 867); Watch KCV 19.6, IWE 19.4....
Part A MISSED THIS? Read Section 19.6 (Pages 863 - 867); Watch KCV 19.6, IWE 19.4. , T = 291 K Calculate the change in Gibbs free energy for each of the following sets of AHFxn, ASixn, and T. (Assume that all reactants and products are in their standard states.) AHEX= -90. KJ, ASPX -146 J/K Express your answer as an integer. Be OID ? AG fxn= kJ Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining...
Course Home C14.3 Rato Law and Reaction Order Exercise 14.42-Enhanced-with Feedback Consider the following data showing...
Course Home C14.3 Rato Law and Reaction Order Exercise 14.42-Enhanced-with Feedback Consider the following data showing the initial rate of a reaction (A? products) at several different Part C Estimate the value of the rate constant, k Express your answer using two significant figures A(M) Initial rate (M/s) 0.15 0.024 0.30 0.189 0.60 1.512 k0.16 M-2.8-1 You may want to reference (Pages 629-634) Section 14.3 while completing this problem. Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining
Part B MISSED THIS? Read Section 7.2 (Pages 264 - 266) A particular frost-free refrigerator uses about 780 kWh of electrical energy per year. Express this amount of energy in kilojoules (kJ). 281x106 kJ Submit Previous Answers Correct The energy in kilojoules is equal to the energy in joules divia Significant Figures Feedback: Your answer 2808.10.2 differently or used a different number of significant figures the Part C Express this amount of energy in Calories (Cal). 90 AXPO ? Submit...
Part C MISSED THIS? Read Section 7.2 (Pages 264 - 266) Perform each conversion between energy units. 2.26x10 kJ to kWh Express the value in kilowatt-hours to three significant figures. AED * O a ? kWh Submit Request Answer Part D 3.17x104J to Cal Express the value in Calories to three significant figures. O AED O ? Cal Submit Previous Answers Request Answer
If you mix a 10 mL solution of 0.1 M glucose with a 10 mL solution of 0.1 M methanol, how will the conductance of methanol solution change? Explain. Chapter 7 Exercise 7.36- Enhanced -with Feedback MISSED THIS? Read Section 7.2 (Pages 264-266) A particular frost-free refrigerator uses about 780 Part A kWh of electrical energy per year. Express this amount of energy in joules (J). να ΑΣφ ? J Submit Request Answer Part B Express this amount of energy...
Exercise 4.46 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 4.4(Pages 149. 155), Watch KCV 4.4, IWE 46 Part A Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + Ch. (e) 4PCS() A reaction mixture initially contains 45.53 g P, and 131.5 Cla Once the reaction has reached completion what massing of the excess reactant is let? Express the mass in grams to three significant figures. View Available Hints) EVO AE + ? Submit...
Find the final temperature
Exercise 7.67 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 7.4 (Pages 272 - 278) : Watch KGV 7.4, IWE 7.3. A 31.2 g wafer of pure gold initially at 69.5 °C is submerged into 63.6 g of water at 26.9 °C in an insulated container.
Exercise 9.44 - Enhanced - with Feedback You may want to reference (Pages 373 - 379) Section 9.4 while completing this problem. Part B An unknown mass of each of the following substances, initially at 23.0°C, absorbs 1940 J of heat. The final temperature is recorded as indicated. Find the mass of each substance. sand (T) = 62.2 °C) Express your answer using two significant figures. 19] ΑΣΦ 6 και ο α ? 62.8 Submit Previous Answers Request Answer X...
urse Home CChapter 10 Homework Problem 10.44-Enhanced-with Feedback You may want to reference (Pages 340-345) Section 10.6 while completing this problem. PartA A patient with respiratory alkalosis has a blood plasma pH of 7.57. What is the [OH of the blood plasma? Express your answer to two significant figures and include the appropriate units. (OH- 0.317 SubmitP Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining; no points deducted Use either an integer, decimal number, or scientific notation for...
< Homework 8 Problem 10.32-Enhanced- with Feedback You may want to reference (Pages 338-340) Section 10.5 while completing this problem. Calculate the (OH value of each aqueous solution. Part A oven cleaner, with [H3O+ ]--1.0 × 10-12 M Express your answer using two significant figures. 圏? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B milk of magnesia with [H30' ] :-2.0 × 10-9 M. Express your answer using two significant figures Submit Request Answer
Part A MISSED THIS? Read Section 19.6 (Pages 863 - 867); Watch KCV 19.6, IWE 19.4. , T = 291 K Calculate the change in Gibbs free energy for each of the following sets of AHFxn, ASixn, and T. (Assume that all reactants and products are in their standard states.) AHEX= -90. KJ, ASPX -146 J/K Express your answer as an integer. Be OID ? AG fxn= kJ Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining...
Course Home C14.3 Rato Law and Reaction Order Exercise 14.42-Enhanced-with Feedback Consider the following data showing the initial rate of a reaction (A? products) at several different Part C Estimate the value of the rate constant, k Express your answer using two significant figures A(M) Initial rate (M/s) 0.15 0.024 0.30 0.189 0.60 1.512 k0.16 M-2.8-1 You may want to reference (Pages 629-634) Section 14.3 while completing this problem. Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining
Most questions answered within 3 hours.
-
Suppose that XX is a random variable with mean 16 and standard
deviation 5 . Also...
asked 4 minutes ago -
Calculate the number density of argon gas at a temperature of
24C and a pressure of...
asked 3 hours ago -
Alternative
Classification
How to Estimate
Probabilities from Data? ( For continuous Attributes)
And How to generate...
asked 3 hours ago -
An explosion breaks a 20.0-kg object into three parts. The
object is initially moving at a...
asked 4 hours ago -
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 5 hours ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 6 hours ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 6 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 6 hours ago -
An economist wants to estimate the mean per capita income (in
thousands of dollars) for a...
asked 7 hours ago -
What would be the input/output characteristic of a circuit
obtained by putting two of your 2's-complementers...
asked 7 hours ago -
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 7 hours ago -
Project management question:
Name 3 different types of resources (hint: humans are one
type)
asked 7 hours ago