1answer.
Ask question
Login Signup
Ask question
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
seraphim [82]
4 years ago
8

Need Help Please, ASAP:

Chemistry
2 answers:
Doss [256]4 years ago
6 0

It's B. You need to know the enthalpy change to determine the change in temperature.

Dafna11 [192]4 years ago
5 0
Go to peak it helped me a lot
You might be interested in
If a frog has 26 chromosomes in its body cells, then it must have ______ cells in its gametes
miskamm [114]

Answer:

sxfdcghbjkml

Explanation:

4 0
3 years ago
What is the pH of a 0.00530 M solution of HCI?
MrMuchimi

Answer:

2.28

Explanation:

HCl(l) ===> H+ + cl-

HCl is a very strong acid. Almost all of it will decompose to the right. That means the concentration of H+ is 0.00530

pH = - log [H+]

pH = - log[0.00530]

pH = - - 2.2757

pH = 2.2757

Rounded this 2.28

5 0
3 years ago
Quiz
olga2289 [7]

What does matter mean?

Object which has mass and occupies space

What does atom mean?

The smallest particle of a chemical element which is made mainly by 3 sub-atomic particles called Protons,Electrons and Neutrons.

What does molecule mean?

A small group of atoms bonded together.

8 0
4 years ago
Read 2 more answers
Express the following number in scientific notation: 0.000000675.
tekilochka [14]
There are 7 digits from decimal to 1st digit, and it's coming from right, so exponent will be in negative 7

In short, Your Answer would be: Option C) <span>6.75 × 10-7
</span>
Hope this helps!
6 0
4 years ago
A mixture of uneven distribution and easy separation is called_____. homogeneous heterogeneous a solution a pure substance
dem82 [27]
The correct answer is heterogeneous.
6 0
3 years ago
Read 2 more answers
Other questions:
  • How many grams of water are produced if you combust 1.28 g of C6H14? The balanced equation is:
    14·1 answer
  • As sunlight hits the surface of pond the water heats up and then the water circulates to transfer
    12·2 answers
  • Pleaseeeeee yelp!!! 100 points
    10·1 answer
  • Which of the following elements possesses the fewest valence electrons? bismuth boron barium bromine
    12·2 answers
  • How to convert 13.14 in to ft
    7·1 answer
  • suppose the mass spectrum of a hypothetical monatomic element X contains a signal at mass number 13 and another of identical hei
    7·1 answer
  • What is the speed of a cheetah that travels 224 m in 8 Seconds
    13·1 answer
  • What are the main components of diesel fuel?
    8·1 answer
  • Ahhh helpppp:))))))))))
    11·2 answers
  • What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!