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
LenaWriter [7]
3 years ago
15

How much heat is required to raise the temperature of 18 grams of liquid water by 25 C?

Chemistry
1 answer:
DENIUS [597]3 years ago
3 0

Since the molecular weight of water is about 18 g/mol, you have about 1 mol of water. So, now we know that it takes approximately 46.2 kJ of heat energy to warm 18.02g of water from 25C to 100C and then to vaporize it into steam. Hopefully this helped!

Explanation:

You might be interested in
Which of these has NOT been used as an astronomical observatory?
allsm [11]

Answer: Poing Reyes

Explanation: the other options are incorrect as they have been used as astronomical observatory

3 0
4 years ago
How do the names of covalent compounds differ from the names of ionic compounds?
Tresset [83]
Covalent bonds<span> are named by using prefixes that give the number of atoms of each element in the </span>compound<span>. </span>Ionic compounds<span> are named by replacing the ending of the nonmetal with ate or ite. 6.

plz brain list me 5 star me thank me but thank you

</span>
5 0
3 years ago
The Himalaya mountain range stretches about 2,400 km from Tibet into Pakistan. It began forming when the Indian plate collided w
Tanya [424]
This immense mountain range began to form between 40 and 50 million years ago, when two large landmasses, India and Eurasia, driven by plate movement, collided. Because both these continental landmasses have about the same rock density, one plate could not be subducted under the other.Mar. 9, 2015
5 0
3 years ago
A mass of 2.20 kg of sodium phosphate is converted number of moles
Paladinen [302]

Explanation:

here's the answer to your question

3 0
3 years ago
On combustion, 1.0 L of a gaseous compound of hydrogen, carbon, and sulfur gives 2.0 L of CO2, 3.0 L of H2O vapor, and 1.0 L of
Murrr4er [49]

Answer:

The empirical formula of the organic compound is  = C_2H_6S_1

Explanation:

At STP, 1 mole of gas occupies 22.4 L of volume.

Moles of CO_2 gas at STP occupying 2.0 L = n

n\times 22.4L=2.0L

n=\frac{2.0 L}{22.4 L}=0.08929 mol

Moles of carbon in 0.08920 mol = 1 × 0.08920 mol = 0.08920 mol

Moles of H_2O gas at STP occupying 3.0 L = n'

n'\times 22.4L=3.0L

n'=\frac{3.0 L}{22.4 L}=0.1339 mol

Moles of hydrogen in 0.1339 moles of water vapor = 2 × 0.1339 mol = 0.2678 mol

Moles of SO_2 gas at STP occupying 1.0 L = n''

n''\times 22.4L=1.0L

n''=\frac{1.0 L}{22.4 L}=0.04464 mol

Moles of sulfur in 0.04464 mol = 1 × 0.04464 mol = 0.04464 mol

Moles of carbon , hydrogen and sulfur constituent of that organic compound .

Moles of carbon in 0.08920 mol = 1 × 0.08920 mol = 0.08920 mol

Moles of hydrogen in 0.1339 moles of water vapor = 2 × 0.1339 mol = 0.2678 mol

Moles of sulfur in 0.04464 mol = 1 × 0.04464 mol = 0.04464 mol

For empirical; formula divide the least number of moles from all the moles of elements.

carbon = \frac{0.08920 mol}{0.04464 mol}=2

Hydrogen =  \frac{0.2678 mol}{0.04464 mol}=6

Sulfur = \frac{0.04464 mol}{0.04464 mol}=1

The empirical formula of the organic compound is  = C_2H_6S_1

3 0
3 years ago
Other questions:
  • Solid vanadium crystallizes in a body-centered cubic structure and has a density of 6.00 g/cm3. First determine the number of at
    7·1 answer
  • How many protons does nitrogen have? (periodic tablebox
    14·1 answer
  • While driving your rental car on your vacation in Europe, you find that you are getting 8.8 km/L of gasoline. What does this val
    14·1 answer
  • Which of the following solutions has the greater buffer capacity: (a) 100 mL of 0.30M HNO2 - 0.30 M NaNO2 or (b) 100 mL of 0.10
    7·1 answer
  • Noble gas notation for titanium
    6·1 answer
  • What do non metals do when they ionize
    5·1 answer
  • The free energy change for the following reaction at 25 °C, when [Cd2+] = 1.20 M and [Fe2+] = 1.40×10-3 M, is -23.9 kJ: Cd2+(1.2
    8·1 answer
  • Do you agree or disagree with the statement: "A rise of -7°C" means "a fall of 7°C"? Explain.
    14·1 answer
  • Which process directly moves nutrients from plants to animals?
    14·1 answer
  • Choose the weaker acid in each of the following pairs:H₂SO₃ or H₂SO₄
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!