Chemistry, 21.11.2020 18:50 marialandingin7520

HELPPP 1. If 4,500 joules of heat are emitted when a sample of water freezes, what is the mass of the water? And is it endothermic or exothermic

2. Calculate the number of grams of ice, at 0.0 ºC, that could melt if 3.6 kJ of heat were added. And is it endothermic or exothermic

3. Find the number of grams of vapor that condense into 373 K when 17.2 kJ of heat is removed. And is it endothermic or exothermic

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 00:00

The pressure in a fluid is affected by which characteristics of that fluid

Answers: 1

Answer

Chemistry, 22.06.2019 01:50

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Answers: 1

Answer

Chemistry, 22.06.2019 04:00

The rules of engagement (roe) working group is often used to (select all that apply.)

Answers: 2

Answer

Chemistry, 22.06.2019 05:30

Compare and contrast physical changes with chemical changes.

Answers: 1

Answer

You know the right answer?

HELPPP 1. If 4,500 joules of heat are emitted when a sample of water freezes, what is the mass of t...

Questions

Mathematics, 23.04.2021 04:50

Quiz 8.1-8.2 Jordan has a loan at a bank and makes monthly payments. He pays different amounts each month, but he can approximate the total a...

History, 23.04.2021 04:50

Topic #1: Define colonialism. Explain why Europe colonized Africa. Use the phrase "Gold, God, and Glory" in your answer. I...

English, 23.04.2021 04:50

Which of the following is a run-on sentence? A. Ron is talented, he is also good looking. B. Ron is talented. He is also good

English, 23.04.2021 04:50

Health care costs in the United States are on the rise. Some people say that a universal health care system would bring costs down and increase access...

Mathematics, 23.04.2021 04:50

What is the volume of the sphere below? ...

Mathematics, 23.04.2021 04:50

Hello peeps anyone wanna ta. lk...

Mathematics, 23.04.2021 04:50

What is the probability of picking a 6 and then picking a 6? Write your answer as a percentage....

Mathematics, 23.04.2021 04:50

7/20X5/5 equals? Any help ?...

Social Studies, 23.04.2021 04:50

help!? What did admiral Kimmel do with the info that the Japanese embassy was burning their sensitive documents?

Mathematics, 23.04.2021 04:50

A cube is cut into two pieces by a single slice that passes through the points A, B, and C. What shape is the cross section. 1.rectangle...

Mathematics, 23.04.2021 04:50

The Yert family hires a landscaping company for 30 weeks. There are two companies to choose from. Green Lawns charges $2 for the first time they servi...

Mathematics, 23.04.2021 04:50

Solve for the specified variable: 18. A = nr2 for r v2 19. P = — for v R

English, 23.04.2021 04:50

Help me pls (◍•ᴗ•◍) answer this and I'll give brainliest

English, 23.04.2021 04:50

What is the color of light( on the actors) indicated the sorority sisters when they entered the lead chericters mind? White or red or blue or no spe...

Biology, 23.04.2021 04:50

Shoe wear is different for different people. They leave individual impressions almost like a impression fingerprint blood spot

History, 23.04.2021 04:50

Wilson's Fourteen Points called for creation of a new League of Nations to help prevent future wars. O a series of heavy taxes and penal...

Biology, 23.04.2021 04:50

HELPP PLEASE - 15 Points - thanks :) Explain why harmful mutations tend to disappear, while beneficial mutations become widespread....

Business, 23.04.2021 04:50

Which of the following describes the relationship between inventory carrying cost and ordering cost? Group of answer choices both rise per unit as the...

Mathematics, 23.04.2021 04:50

The graph of the piecewise function f(x) is shown. What is the range of f(x)? 5 . O {f(x) - O {f(x)| –0 O {f(x)]4 O {f(x)|0sf(x)&l...

Mathematics, 23.04.2021 04:50

2. A health insurance plan has a $30 prescription deductible and a copayment of $10 for the cheapest tier of medicines. The function f(x) = 10x +30...

More questions: Chemistry Another questions