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
Katarina [22]
3 years ago
7

How much heat will be absorbed by 395g of water when it's temperature is raised by 55°C​

Chemistry
1 answer:
Firdavs [7]3 years ago
3 0

Answer:

\boxed{\text{91 kJ}}

Explanation:

The formula for the heat released is

q = mCΔT

Data:

 m = 395 g

 C = 4.184 J·°C⁻¹g⁻¹

ΔT = 55 °C

Calculations:

q = 395 × 4.184 × 55 = 91 000 J = 91 kJ

The water will absorb \boxed{\textbf{91 kJ}} of energy.

You might be interested in
What is the structure of epithelial cells?
EleoNora [17]
Your answer is C for sure
5 0
3 years ago
If an atom of nitrogen bonded with an atom of aluminum , what kind of bond would form
Elodia [21]
Nitrogen is a non-metal and aluminum is a metal so the bond would be ionic.
5 0
3 years ago
What information do we need to determine the molecular formula of a compound from the empirical formula?
defon

Answer:

Molecular mass

Explanation:

Molecular formulas is the actual number of atoms of each element in the compound while empirical formulas is the simplest or reduced ratio of the elements in the compound.

Thus,  

Molecular mass = n × Empirical mass

Where, n is any positive number from 1, 2, 3...

Thus if the molecular mass is known, then we can find the value of n which results to molecular formula.

6 0
3 years ago
The iodine "clock reaction" involves the following sequence of reactions occurring in a reaction mixture in a single beaker. 1.
Mars2501 [29]

C: 0.012 mol.

<h3>Explanation</h3>

Start with 0.0020 moles of iodate ions {\text{IO}_{3}}^{-}.

How many moles of iodine \text{I}_2 will be produced?

{\text{IO}_{3}}^{-} converts to \text{I}_2 in the first reaction. The coefficient in front of \text{I}_2 is three times the coefficient in front of {\text{IO}_{3}}^{-}. In other words, each mole of {\text{IO}_{3}}^{-} will produce three moles of \text{I}_2. 0.0020 moles of {\text{IO}_{3}}^{-} will convert to 0.0060 moles of \text{I}_2.

How many moles of thiosulfate ions {\text{S}_2\text{O}_3}^{2-} are required?

\text{I}_2 reacts with {\text{S}_2\text{O}_3}^{2-} in the second reaction. The coefficient in front of \text{I}_2 is twice the coefficient in front of {\text{S}_2\text{O}_3}^{2-}. How many moles of {\text{S}_2\text{O}_3}^{2-} does each mole of \text{I}_2 consume? Two. 0.0060 moles of \text{I}_2 will be produced. As a result, 2 \times 0.0060 = 0.0120 moles of {\text{S}_2\text{O}_3}^{2-} will be needed.

6 0
3 years ago
]\ \textless \ br /\ \textgreater \ \huge \boxed{ \red{φµεรƭเσɳ -}} \ \textless \ br /\ \textgreater \ ​ \ \textless \ br /\ \te
azamat

Answer:

Nitrogen fixation is a chemical process by which molecular nitrogen in the air is converted into ammonia or related nitrogenous compounds in soil or aquatic systems. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms.

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • A beaker has a mass of 77.275 calculate this mass in mg
    7·1 answer
  • 5. You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second j
    5·1 answer
  • A 36.41-g sample of calcium carbonate (CaC O 3 )
    15·1 answer
  • What property of an atom determines its general reactivity
    10·1 answer
  • How do you express 0.00026 in scientific notation
    12·2 answers
  • The force of gravity depends on the distance between objects true or falue
    8·1 answer
  • What is public property​
    11·2 answers
  • Is PDB ionic or Covalent?
    10·1 answer
  • What is a factor of a solution​
    15·1 answer
  • Which electron transition is accompanied by
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!