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
NISA [10]
3 years ago
10

Help please ! ASAP neeeeeed and answerrrrrr

Chemistry
2 answers:
ivann1987 [24]3 years ago
7 0

Answer:

A. Heater will only become warm when switch is closed.

Explanation:

Switches are used to control the flow of electrons (basically electricity). If you look at the other trials, you see that when switch is open, the bulb or fan does not run cuz no electricity can get to them. But when switch is closed, electricity gets to them. Thus, they will experience similar thing with the heater I assume cuz they have not said anything about battery voltage or anything preventing heater from heating.

Luden [163]3 years ago
6 0

Answer:

The answer is D

Explanation:

You might be interested in
Complete the sentence.
Leno4ka [110]

Answer:

6, double

Explanation:

Hex- is a prefix for number 6.

Ene- is a suffix for a double bond.

7 0
3 years ago
How many atoms of germanium<br> are present in a sample<br> containing 1.65 moles Ge?
otez555 [7]

Answer:

9.9363 x 10^23  atoms

Explanation:

1.65   x   Avagadro's Number

1.65 * 6.022 x 10^23 =

5 0
2 years ago
If the half-life of an element is 150 years, how much of a 400 gram sample would remain in 750 years?
photoshop1234 [79]

Answer:

y

Explanation:

5 0
3 years ago
What parts of an atom can change during a nuclear reaction that cannot change during a chemical reaction? The number of neutrons
Tcecarenko [31]

Answer:

The number of protons and neutrons.

Explanation:

Neutrons and Protons can't be removed from nucleus from chemical reactions because they are held together super strong and tight. However, nuclear reactions are strong enough to separate them.

hope this helps :)

8 0
3 years ago
Read 2 more answers
What are the three possible combinations of the two types of
timurjin [86]

Answer:

WHITE BLOOD SELL?

Explanation:

6 0
3 years ago
Other questions:
  • What are the 10 physical properties?
    6·1 answer
  • A solution is made by mixing 135.g of chloroform CHCl3 and 141.g of acetyl bromide CH3COBr. Calculate the mole fraction of chlor
    14·1 answer
  • Which of these properties is physical property of aluminum
    12·2 answers
  • Which best explains the relationship between parent rock and soil<br><br> composition?
    9·1 answer
  • When phosphorus forms an ion, it will have the same electron configuration as ?
    8·1 answer
  • NaCl+AgC2H3O2--&gt; NaC2H3O2+AgCl <br><br><br> what is this balanced
    5·1 answer
  • What example of mixture could be seperated using two or more techniques? Explain your answer
    10·1 answer
  • How many milliliters are in 8.12 moles of N2
    9·1 answer
  • Which will have a greater volume: 10 grams of liquid water or 10 grams of solid water?
    9·1 answer
  • In which groups of the modern periodic table are very active metals and very active non-metals placed?​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!