Chemistry, 08.05.2021 03:50 shakira11harvey6

8. 2520 J of heat is added to a piece of iron. Determine the initial temperature of 20 g of iron (c = 0.499 J/gC) to reach a final temperature of 130 C. 2. Determine the mass of lead (c = 0.160 J/gC) that requires 204 J of energy to change the temperature 23.0 C.

(i cant find these out ;-;)

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 03:30

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Answers: 1

Answer

Chemistry, 22.06.2019 13:00

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?

Answers: 3

Answer

Chemistry, 22.06.2019 15:00

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Answers: 1

Answer

Chemistry, 22.06.2019 16:00

How do dying stars contribute to the formation of planets

Answers: 1

Answer

You know the right answer?

8. 2520 J of heat is added to a piece of iron. Determine the initial temperature of 20 g of iron (c...

Questions

Chemistry, 13.04.2020 23:36

How many Hershey’s Kisses make up 1 MOLE?...

Mathematics, 13.04.2020 23:36

(07.03 LC)A circle is centered at (7, 8) and has a radius of 11. Which of the following is the equation for this circle?(x - 7)2 + (y - 3)...

Mathematics, 13.04.2020 23:36

In two to three sentences, describe how you would organize your financial information...

Mathematics, 13.04.2020 23:36

Which is a factor of x^2 + 8x - 48? (х – 6) (х + 4) (х – 16) (х + 12)....

English, 13.04.2020 23:36

Directions: Read the body paragraph, and answer the questions that follow.The Hercules Beetle(1) The Hercules beetle is known for its larg...

Biology, 13.04.2020 23:36

In some parts of the world, rain forests are being cut down to make land available for homes, businesses, and farms. How does the loss of these trees...

Biology, 13.04.2020 23:36

If two parents have blood type AB and blood type O, what are all the possible phenotypes of their offspring?...

English, 13.04.2020 23:36

This character serves by contrast to highlight opposing traits of the main character to further define the main character....

Mathematics, 13.04.2020 23:36

Whats the inequality for the graph?...

English, 13.04.2020 23:36

A synonym for skimming as used in this poem would be:a. Glidingb. Removingc. Stealingd. Covering

Mathematics, 13.04.2020 23:36

Can anyone help me with 43-46 please? I’m very confused

Mathematics, 13.04.2020 23:36

Please help I’m stuck...

Mathematics, 13.04.2020 23:36

What is the vertex of the quadratic function f(x)=(x-6)(x+2)...

Mathematics, 13.04.2020 23:36

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).This graph represents a pr...

Mathematics, 13.04.2020 23:36

What is -2(x-5)+4(9+x)...

Social Studies, 13.04.2020 23:36

Read this excerpt from "It's My Constitutional Right!" The officer ordered her to get up. Again Claudette refused. He returned to the driv...

English, 13.04.2020 23:36

Who says this? “If chance will have me king, why, Chance may crown me, without my stir.”...

English, 13.04.2020 23:36

Over which part of the function domain is the average change in height approximately 10 feet per second...

Mathematics, 13.04.2020 23:36

What is the following product? 3^sqr4 * sqr3...

Mathematics, 13.04.2020 23:36

Find the area of a circle with a diameter of 56 millimeters. Round your answer to the nearest hundredth. area: about mm?...

More questions: Chemistry Another questions

8. 2520 J of heat is added to a piece of iron. Determine the initial temperature of 20 g of iron (c = 0.499 J/gC) to reach a final temperature of 130 C. 2. Determine the mass of lead (c = 0.160 J/gC) that requires 204 J of energy to change the temperature 23.0 C. (i cant find these out ;-;)

Answers

Another question on Chemistry

8. 2520 J of heat is added to a piece of iron. Determine the initial temperature of 20 g of iron (c = 0.499 J/gC) to reach a final temperature of 130 C. 2. Determine the mass of lead (c = 0.160 J/gC) that requires 204 J of energy to change the temperature 23.0 C.

(i cant find these out ;-;)