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
Amanda [17]
2 years ago
12

Which series reveals the source of energy for coal? i will mark brainlest!!!!!!!!!!!!!!!!!!!!!!!! giving 20 points

Chemistry
1 answer:
anyanavicka [17]2 years ago
6 0

Answer:

coal chemicals sun

Explanation:

You might be interested in
Which planet in the solar system is least dense
ella [17]

Answer:

Saturn

Explanation:

4 0
3 years ago
Explain why there was a reaction between zinc metal and a salt solution of copper sulphate please help me​
natali 33 [55]

Answer:

When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate. During the process, the colour of the solution changes from blue to colourless.

6 0
3 years ago
Need help with this problems
Fittoniya [83]
16) Na (s) + H2O(L) ---> H2 (g) + NaOH (aq)
17) O2 (g) + NH3 (g) --->H2O (L) + HNO3 (aq)
18) K (s) + Cl2 (g) ---> KCl (s)
19) Al (s) + HCl (aq) ---> H2 (g) + AlCl (aq)
20) Na3PO4 (aq) + CaCl2 (aq) ---> NaCl (s) + Ca3(PO4)2 (s)
3 0
3 years ago
Convert 5.8 km to the unit mm. <br> 0.0000058 mm <br> 0.0058 mm <br> 5,800 mm <br> 5,800,000 mm
spin [16.1K]
Its going to b 5,800,000 due to each Km being 1,000,000 Mm
Hope this helps :D
5 0
3 years ago
A fish tank holds 31 gal of water. How many kilograms of water are in the fish tank?
Oksanka [162]

Answer:

3.785411784

Explanation:1 gallon (gal) = 3.785411784 kilogram (kg). Gallon (gal) is a unit of Volume used in Standard system. Kilogram (kg) is a unit of Weight used in Metric system. Please note this is volume to weight conversion, this conversion is valid only for pure water at temperature 4 °C.

US oz = 28.349523125 g

US fl oz = 29.5735295625 ml (milliliters) = 29.5735295625 g (grams) of pure water at temperature 4 °C.

US cup = 8 fl oz = 236.5882365 ml (milliliters) = 236.5882365 g (grams) of pure water at temperature 4 °C.

The US gallon is equal to 3.785411784 liters and defined as 231 cubic inches. Kilograms also can be marked as kilogrammes in UK.

8 0
2 years ago
Other questions:
  • Which piece of evidence would suggest an unknown substance is an ionic compound
    15·2 answers
  • A 21.0 kg child is running at a velocity of 2.50 m/s. The child is carrying a 2.25 kg gallon of milk. What is the momentum of th
    9·1 answer
  • Based on the information given about capsules, which of the following types of molecules would you suspect comprises an S. pneum
    11·1 answer
  • What is an example of potential energy and kentic energy?
    12·2 answers
  • Which of the following is a pure substance?
    5·1 answer
  • Please select the word from the list that best fits the definition Has three stages - evaporation, condensation, and precipitati
    14·2 answers
  • Describe how this instrument works.<br><br> Operation:
    15·2 answers
  • What is the molar mass of Mercury (II) Nitrite?
    10·1 answer
  • A reaction takes place between an acid and 0.5 gram of solid magnesium ribbon. Another reaction takes place between an acid and
    10·1 answer
  • Need help with this.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!