Physical Science Laboratory Template (5) (1)

Safari File Edit View History Bookmarks Window Help Mon Sep 28 3:13 PM session.masteringchemistry.com Test Chapter 5 Hide Timer Item 16 16 of 20 v Complete I Review I Constants I Periodic Table A high-protein diet contains 63.6 g of carbohydrate, 5.9 g of fat, and 140 g of protein. TABLE 3.7 Typical Energy Values for the Three Food Турes Part A How much energy, in kilocalories, does this diet provide? (Round off the kilocalories to the tens place.) Food Type kcal/g kJ/g Express your answer to two significant figures and include the appropriate units. Carbohydrate 4 17 Fat 9. 38 Protein 4 17 Submit Previous Answers Completed; correct answer withheld by instructor Part B How much energy, in kilojoules, does this diet provide? (Round off the kilojoules to the tens place.) Express your answer to three significant figures and include the appropriate units. Submit Previous Answers Completed; correct answer withheld by instructor Provide Feedback Next > 00

I need help on these two

please answer the question based on the table, thanks

Use the References to access important values if needed for this question. In the laboratory a student finds that it takes 706 Joules to increase the temperature of 13.3 grams of liquid water from 23.0 to 36.4 degrees Celsius. The specific heat of water calculated from her data is J/g°C. Submit Answer Try Another Version 1 item attempt remaining Visited Previous Next Cengage Learning | Cengage Technical Support 10 10 MAR étv 27 MacBook Air

I need help please

Answer the following pre

ew History Bookmarks People Tab Window Help w G SAG e.com/document/d/1IngiVO4vZgN7zxo5WpejCwwB7RZo7jbRulXtqqucgiw/edit e A Maps neet: What is the Initial Temperature of the Hot Water ert Format Tools Add-ons Help Last edit was 7 minutes ago Normal text Times New. 12 BIUA 三 =▼三▼EE 3 4 .5 12. a. An ice-cold piece of aluminum metal is added to 50.0 g of hot water. Given the average initial temperature calculated above for the hot water, calculate the heat, q, in joules of the piece of aluminum metal if the final temperature of the water is 40.0 °C. The specific heat of water is 4.184 J/g-°C. b. Calculate the grams of aluminum metal used if the specific heat of aluminum is 0.895 J/g-°C C and the initial temperature of it is 0.0°C. 23 tv & 7 8. 9

Paraphrasing .ewriting Tool Car note Pirate Ship BLACKBOARD [Review Topics] [References) Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H: H eclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 6.3 cyclooctane 40.5 9.7 (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive.) Previous Ne: Sav FEB 1 étv 14 MacBook Air DII DD 11 888 F9 F10 F8 F7 F6 F5 F4 & 2$ 7 8. 4 Y U ト

Pls help ASAP

Please help

[please answer with correct answer] Temperature is a measure of ____

what would happen if a rock was exposed to energy from the sun and then millions of years later to energy from the earth's interior? you must include: energy, magma, melting, sediment, and weathering.

Part A How many kWh of energy does a 600-W toaster use in the morning if it is in operation for a total of 4.0 min ? Express your answer to two significant figures and include the appropriate units. Energy = kWh Submit Request Answer Part B At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week (16 times per month) Express your answer using two significant figures. VO AE Cost = cents/month Submit Request Answer

nermochemistry TUTOR Using Enthalpy of Vaporization I [References] Calculate the quantity of energy required to vaporize 125 mL of CH3COCH3 at 25 °C. The density of CH3COCH3 is 0.780 g/mL, and the vaporization enthalpy is 29.1 kJ/mol. kJ Submit Show Approach Show Tutor Steps Submit Answer Try Another Version 10 item attempts remaining Previous Next Show Hint Save and Ex Email Instructor

I need help with intro to chemistry.... When water from a dam is used to generate electricity,______________________ kinetic energy is converted to potential energy. electrical energy is converted to mechanical energy. chemical energy is converted to electrical energy. thermal energy is converted to electrical energy. potential energy is converted to electrical energy.

A waste heat exchanger is used to absorb the energy from the complete combustion of hydrogen sulfide gas. What volume of water undergoing a temperature change of 52 degrees Celsius is required to absorb all of the energy from the burning of 12 kg of hydrogen sulfide? * 0.85 mL 0.84 L 840 g 0.85 g please explain and give correct answer

3 attempts left Check my work Be sure to answer all parts. A man ate 0.583 pound of cheese (an energy intake of 3.70 x 10° kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to vaporize 1 mole of water.) Enter your answer in scientific notation. Guid x 10 g < Prev 22 of 26