Questions by Paul Elliott

Questions by Paul Elliott

Copper metal has a specific heat of 0.385 J/goC. Calculate the amount of heat required to raise the temperature of 22.8 g of Cu from 20.0 oC to 875 oC.

asked Oct 3, 2023

1 answer

9 votes

207k views

Grams of hydrogen contains the same number of atoms as 9.79 grams of nitrogen?

asked Mar 25, 2023

1 answer

24 votes

233k views

Pls help me expand this expression

asked Dec 17, 2022

1 answer

10 votes

325k views

Paper was …….(1)…… by the Chinese in the first century AD. Most paper is made …..(2)…. wood. When trees are …….(3)……, they are transported …..(4)….. land or water to paper mill. Here they are cut …(5).

asked Sep 16, 2022

1 answer

21 votes

113k views

Were Brass instruments only played inside during the Classical Period?

asked May 27, 2022

1 answer

33 votes

204k views

What is the purpose of the words "simple,' plain, and "common"?

asked Mar 26, 2022

2 answers

15 votes

504k views

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