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
Gekata [30.6K]
3 years ago
6

How much energy is required to melt 76.941g of ice

Chemistry
1 answer:
olga55 [171]3 years ago
5 0

Answer:

Q=25.7 Kj

Explanation:

76.941 g H2O*1 mol/18.016= 4.27 Mol H20

(4.27 Mol H2O)(6.009 Kj/Mol)

Q=25.7 Kj

You might be interested in
.................. are microorganism used to improve soil fertility.<br>plz ams it correct​
slavikrds [6]

Answer:

Some bacteria like <em><u>rhizobium</u></em> and <u><em>blue green algae</em></u> are able to fix nitrogen gas from the atmosphere to enrich the soil with nitrogen compounds and increase its fertility. The nitrogen-fixing bacteria and blue green algae are called <u><em>biological nitrogen fixers.</em></u>

5 0
3 years ago
Read 2 more answers
Evaluate this statement: Substances are made of two or more types of elements.
wolverine [178]

A MOLECULE IS MADE OF TWO OR MORE ELEMENTS CHEMICALLY COMBINED IS KNOWN AS A COMPUND.

A MOLECULE IS MADE OF TWO ATOMS IS JUST AN ELEMENT.

A MOLECULE MADE OF TWO OR MORE ELEMENTS IS KNOWN AS A COMPUND.

6 0
3 years ago
The bond between iodine and fluorine in l-F would be a:
koban [17]

Answer:

D.) polar covalent bond

4 0
3 years ago
Write word equations for the reactions of a) magnesium with chlorine b) potassium with oxygen c) sodium with bromine d) carbon w
IRINA_888 [86]
A) Magnesium + Chlorine -> Magnesium chloride ( Mg + Cl2 -> MgCl2)

b) Potassium + Oxygen -> Potassium oxide
( 2K + O2 -> K2O )

c) Sodium + Bromine -> Sodium bromide
( 2Na + Br2 -> 2NaBr)

d) Carbon + Oxygen -> Carbon dioxide
( C + O2 -> CO2 ) This reaction occurs when heated.

4 0
2 years ago
Which of the following uses light energy to convert co2 and h2o to organic compounds?
Dimas [21]
Photosynthesis is where carbon dioxide and water through light energy is converted in glucose and other organic compounds.
4 0
3 years ago
Other questions:
  • Find the volume occupied by 18.0 g of helium gas at 29.0 ∘c and 1.33 atm of pressure.
    15·1 answer
  • Aluminum has a density of 2.70 g/mL. Calculate the mass (in grams) of a piece of aluminum having a volume of 405 mL .
    7·1 answer
  • 1. Which of these is the basic unit of mass?
    10·2 answers
  • Which observation illustrates the law of conservation of mass?
    11·1 answer
  • Which of the following is a strong base?<br><br> A. NH3<br> B.HCO3<br> C. NaOH<br> D. HCOOH
    9·1 answer
  • What is the period of below average temperatures called
    7·1 answer
  • How many atoms of chlorine (Cl) are shown below? <br><br> 5 CaCl2
    15·1 answer
  • PLEASE HELP
    11·1 answer
  • Which of the following are properties of mechanical waves?
    7·1 answer
  • PLS HELP
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!