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
crimeas [40]
3 years ago
15

How many joules of heat are required to heat 131.0 grams of room temperature water (22 °C) to the boiling point?

Chemistry
1 answer:
vampirchik [111]3 years ago
3 0

100.0g x 4.184J/g/°C x 78°C ΔT = 32,645.2 Joules.

You might be interested in
The value of K at constant temperature depends on the amounts of reactants and products that are mixed together initially. A lar
Verdich [7]

Answer:

a) K = [ CO2(g) ]

⇒ the [ CaCO3(s) ] does not appear in the denominator of the equilibrium constant, as it is a pure solid substance.

b) Kp = K (RT)∧Δn

⇒ the values of K and Kp are not the same

c) K >> 1, The reaction has a high yield and is said to be shifted to the right. then the rate of the forward reaction is greater than the rate of the reverse reaction at equilibrium.

Explanation:

a) CaCO3(s) ↔ CaO(s) + CO2(g)

⇒ K = [ CO2(g) ]

∴ the [ CaCO3(s) ] does not appear in the denominator of the equilibrium constant, as it is a pure solid substance.

b) H2(g) + F2(g) ↔ 2 HF(g)

⇒ K = [ HF(g) ] ² / [ F2(g) ] * [ H2(g) ]

⇒ Kp = PHF² / PF2 * PH2

for ideal gas:

PV = RTn

⇒ P = n/V RT = [ ] RT

⇒ Kp = K (RT)∧Δn

⇒ the values of K and Kp are not the same.

c) K >> 1, The reaction has a high yield and is said to be shifted to the right. then the rate of the forward reaction is greater than the rate of the reverse reaction at equilibrium.

8 0
3 years ago
A 25 Ω resistor has a voltage drop of 12 V across it. Calculate the current flowing through the resistor
Yanka [14]

Answer:

0.48

Explanation:

i =  \frac{v}{r}

because we are looking for I which is current we say

I = 12÷25 which is 0.48.

4 0
3 years ago
Help hurry I’ll give you brainlyist
Kazeer [188]

Acid rain is formed by chemicals let off into the atmosphere further introducing the nitrogen oxides which are attached to the water vapour and than mixed together further making acid rain which contains a pH scale of 6 a pale light acid though very much effective.

Please refer back if needed further assistance.

Hope this helps and enlightens your day. Enjoy...

4 0
3 years ago
Identify the gas particle that travels the slowest. ne h2 co n2 o2
Evgen [1.6K]
<span>O2 travels slower than H2, Ne, N2, and CO. This is due to the fact that O2 has a heavier molecular weight than the others. O2 has a weight of 32 grams per mole. N2 and CO are the next highest with 28 grams per mole. Ne is 20 grams per mole, and H2 is 2 grams per mole.</span>
5 0
3 years ago
Read 2 more answers
Why does half a mole of water molecules have more mass than 2 moles of helium atoms?
Fantom [35]

Answer:

everything (matter) is made up of molecules(atoms)

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • A chemical compound that contains the –NH2 functional group is a(n) _____.
    12·1 answer
  • Lab worksheets oh what a tangled web we weave
    10·1 answer
  • The density of aluminum is 2.7 g/ml. if the aluminum has a volume of 10 ml, what is the mass of the aluminum?
    11·1 answer
  • Which of these is the best example of translational motion?
    8·2 answers
  • How much energy is absorbed when 10 grams of gold increases in
    8·1 answer
  • The ancient false idea that life appeared from nowhere
    10·2 answers
  •  Convert the following to moles.
    11·1 answer
  • What number is considered neutral? (On the pH scale)
    15·1 answer
  • Mark the statement as true or false All of the proposed ideas by Dalton, Thompson, and Rutherford are still used in the modern t
    12·2 answers
  • Pls help i beg
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!