1answer.
Меню
Ask question
Login
Signup
Ask question
Menu
All categories
English
Mathematics
Social Studies
Business
History
Health
Geography
Biology
Physics
Chemistry
Computers and Technology
Arts
World Languages
Spanish
French
German
Advanced Placement (AP)
SAT
Medicine
Law
Engineering
krok68
[10]
2 years ago
9
how much heat is lost when 640g piece of copper cools from 375C,to 26C (the specific heat of copper is 0.09cal/gxC)
Chemistry
Answer
Comment
Send
1
answer:
torisob
[31]
2 years ago
6
0
Q=mCdeltaT
Q=(640)(0.09)(375-26)
Q=20102.4J
Send
You might be interested in
Which is a physical property of matter?
IrinaK [193]
Answer:
D
Explanation:
6
0
2 years ago
Read 2 more answers
In the Table of Atomic Particles, various symbols have two numbers. The top number represents the atomic mass of the particle, w
MArishka [77]
Atomic number and number of electrons.
5
0
3 years ago
Read 2 more answers
Cholesterol is an example of a(n) _____. <br> monosaccharide polysaccharide <br> lipid <br> enzyme
seropon [69]
Cholesterol is an example of a lipid.
8
0
2 years ago
Write a balanced chemical equation for the standard formation reaction of solid sodium orthosilicate
Mumz [18]
Equation for the standard formation of solid sodium orthosilicate:
4 Na(s) + Si(s) + 2 O₂(g) → Na₄SiO₄(s)
8
0
3 years ago
Read 2 more answers
For Neutron it’s supposed to be 36 right ?
Elena-2011 [213]
I believe so..... hmm idk
5
0
3 years ago
Other questions:
What is electropositivity and electronegativity? Between group 1 and group 17, which is electropositive and electronegative?
14
·
1 answer
Devon noticed that it has rained more this year than it did in each of the previous 10 years. How might this increase in rainfal
11
·
1 answer
What car do you want to have.
8
·
2 answers
A laser with a wavelength of 225 nm is shown on an isolated gas-phase sodium atom. Calculate the velocity of the ejected electro
10
·
1 answer
I don’t know this question please help
5
·
1 answer
What describes a phase change
5
·
1 answer
Sn + 2HCI --> SnCl2 + Hz
8
·
1 answer
Thermal energy would naturally flow between objects at which temperatures?
12
·
1 answer
How do we think that Mars lost atmospheric gas?
14
·
1 answer
How can we increase the rate of collisions between the reactants in this reaction? mg 2hcl → mgcl2 h2
5
·
1 answer
×
Add answer
Send
×
Login
E-mail
Password
Remember me
Login
Not registered?
Fast signup
×
Signup
Your nickname
E-mail
Password
Signup
close
Login
Signup
Ask question!