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
Crank
3 years ago
9

Which of the following is NOT a sign of a chemical reaction:

Chemistry
2 answers:
Sergeeva-Olga [200]3 years ago
7 0
The answer is B. Precipitation
Liono4ka [1.6K]3 years ago
3 0
I think it’s B. I apologize if I was incorrect.
You might be interested in
What is the relationship between mass and solubility
disa [49]

Answer:

Higher molar mass compounds will be less soluble than lower molar mass molecules of the same type.

Explanation:

Bigger Mass = slower/less soluble

Small Mass = faster/more soluble

8 0
3 years ago
Read 2 more answers
Can someone help me
Molodets [167]

Answer:

The longer it takes to orbit the sun.

Explanation:

6 0
2 years ago
Read 2 more answers
According to our textbook, write the formula for the anhydrous compound that was part of the mixture called natron that was used
bearhunter [10]

Answer:

The formula for the anhydrous compound that was part of the mixture called natron that was used by the Egyptians is Na2(CO3)10(H2O).

They use this compound for medicine, cookery, agriculture, in glass-making and to dehydrate egyptian mummies.

Compound of sodium carbonate and sodium bicarbonate was the name of the resulting hydrate that formed.

8 0
3 years ago
Which of the following is a synthetic organic material?
Rudik [331]
The answer is: Plastic
Plastic is the result of the addition polymerization of poly(alkenes). Thus plastic is a synthetic organic material.

Hope it helped!
4 0
2 years ago
Read 2 more answers
What is the volume of 1.60 grams of O2 gas at STP? (5 points)
tiny-mole [99]

Answer:

  • <u><em>1.12 liters</em></u>

Explanation:

<u>Calculating number of moles</u>

  • Molar mass of O₂ = 32 g
  • n = Given weight / Molar mass
  • n = 1.6/32
  • n = 0.05 moles

<u>At STP</u>

  • One mole of O₂ occupies 22.4 L
  • Therefore, 0.05 moles will occupy :
  • 22.4 L x 0.05 = <u><em>1.12 L</em></u>
5 0
2 years ago
Read 2 more answers
Other questions:
  • The water at the top of a waterfall has _____ energy.
    15·2 answers
  • Both of the carbon-oxygen double bonds in co2 are polar. in which direction should the polarity arrows point?
    9·1 answer
  • 20 points will favor answer Please guys i could really use some help on this question
    13·1 answer
  • A chemist determines by measurements that 0.0200 moles of iodine solid participate in a chemical reaction. Calculate the mass of
    15·1 answer
  • What is the molar mass of BE(SO4) <br> WILL GIVE BRAINLIEST ANSWER
    5·1 answer
  • What is the concept of Dimensional Analysis?
    13·1 answer
  • How does elevation affect the amount of air pressure?”.
    15·1 answer
  • Yo yuh guys know this
    7·1 answer
  • C. A 75 lb (34 kg) boy falls out of a tree from a height of 10 ft (3 m). (3 points)
    7·1 answer
  • Question 3 of 25
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!