Answers by Zack Peterson

Answers by Zack Peterson

Help!!! An unknown salt was dissolved to make a total 1.53g of solution. The temperature of the water decreased from 24.3C to 20.3C when 8mol were dissolved. What is the heat of solution in J/mol?

answered Oct 11, 2023

21 votes

431k views

Quarter Horses are typically faster than Thoroughbreds over short distances. A racehorse can run at 18 m/s and has 195,000 Joules of kinetic energy. What is this racehorse's mass?

answered Jun 20, 2023

16 votes

358k views

QUESTION 9 1 POINT1The Kugel ball at Bob Devaney Sports Center is a big granite sphere with a radius of 1.2 meters. Find its a. volume and b.surface area. Use 3.14 for T. Round the answers to the nearest

answered Apr 30, 2023

4 votes

310k views

Henry divides 1.060 g by 1.0 mL to find the density of his water sample. How many significant figures should he include in the density value that he reports? one two three four

answered Apr 28, 2023

21 votes

324k views

a large jug contains 9 liters of water. The water is used to fill cups that have a capasity of 150 ml. How many cups can be filled?

answered Mar 28, 2023

15 votes

503k views

Marla writes this problem 628 divided by 1300 Which expression represents Marla’s problem

answered Mar 3, 2023

28 votes

526k views

The difference between 58% of a number and 39% of the same number is 247. what is 62% of that number

answered Jan 15, 2023

14 votes

250k views

Lisa L. became a great and famous singer. She was so famous she had 12 body guards at one concert. At the next concert she had 15 body guards. What is the percent of change in the number of bodyguards?

answered Nov 20, 2022

16 votes

236k views

How are ethnic groups In Africa different from religious groups

answered Aug 15, 2022

17 votes

339k views

Help please someone A, B, or C ?

answered Mar 31, 2022

23 votes

299k views

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