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
xxTIMURxx [149]
3 years ago
9

3.

Chemistry
1 answer:
Katena32 [7]3 years ago
6 0

Answer:

it's A endothermic its when two objects rub each other to form heat this is also known as friction force

You might be interested in
PLEASE HELP ME !!!!!!
Leviafan [203]

Answer: b

Explanation:

By adding heat you are adding more energy

5 0
3 years ago
Read 2 more answers
Is many sig figs are in 0.092
Verdich [7]
There are 2 sig figs in 0.092
6 0
3 years ago
I WILL GIVE BRAINLIEST!!!!!
LenKa [72]
D. Electron cloud allowed the particles to pass through
4 0
3 years ago
Read 2 more answers
Describe an experiment to determine the density of a liquid
Tju [1.3M]

Answer:

Take the measuring cylinder and measure its mass, in grams, as accurately as possible. Take the measuring cylinder off the balance and add the water carefully. Put the measuring cylinder back on the balance. Measure and record the new mass . Repeat the procedure,  recording the volume and total mass, until the measuring cylinder is full. Then, for each volume calculate the mass of the liquid alone.Repeat steps 1 to 3  Draw a graph of mass of liquid against volume .  Calculate the density of each liquid from the gradient of its graph line.

Explanation:

5 0
2 years ago
Some chemical reactions can proceed in just one direction . True or False ?
ss7ja [257]
The answer is False. i think
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following are quantized? A) canned soup from the grocery store b) the weight of jelly beans c) elevation of a perso
    15·1 answer
  • Karla added green pellets to a container of water before she began watering her lawn. What correctly describes
    11·1 answer
  • What is the % nitrogen by weight in 6.389 mol of ammonium sulfide? Answer in units of %.
    5·1 answer
  • HELP PLEASE I GIVE 15 POINTS +++ BRAINLIEST!!!!!!!
    14·1 answer
  • Will name Brainliest
    9·1 answer
  • What is the mass of 0.250 moles of tungsten
    8·1 answer
  • Calculate the mass of magnesium oxide formed when 3.0 grams of magnesium reacts with excess oxygen.
    9·1 answer
  • Where is the energy in the products of photosynthesis?
    14·2 answers
  • What is the balanced form of the chemical equation shown below?
    12·1 answer
  • Elements A,B,C and D have atomic numbers 11,18,1 and 17 respectively. Give the chemical formulae of the compound formed between:
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!