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
Sidana [21]
3 years ago
7

A gas has a pressure of 3.33 kPa at 343 K. What will the new pressure be at 655 K if the volume does not change?

Chemistry
1 answer:
choli [55]3 years ago
3 0
New pressure would be 6.36 kPa
You might be interested in
Choose the predominant type of bonding as ionic, covalent, or metallic for the substance below.
nadya68 [22]
It is ionic bond because of Na valency and it is alkali metal and cl is non metal and it’s valency , they both share electron and make ionic bonding .
5 0
3 years ago
Read 2 more answers
Notice that "SO4" appears in two different places in this chemical equation. SO42− is a polyatomic ion called "sulfate." What nu
vichka [17]

Answer:

3.

Explanation:

Hello,

In this case, it is convenient to write the chemical reaction as:

CaSO_4+AlCl_3\rightarrow CaCl_2+Al_2(SO_4)_3

Which balanced turns out:

3CaSO_4+2AlCl_3\rightarrow 3CaCl_2+Al_2(SO_4)_3

Thus the number that should be in front of the calcium sulfate is 3 in order to balance the reaction.

Best regards.

8 0
2 years ago
Convert 281 K to degrees Celsius.<br><br> 281 K = _____<br><br> -8°C<br> 554°C<br> 8°C
Lisa [10]

Answer:

8°C

Explanation:

3 0
3 years ago
If 1.0 gram of hydrogen reacts with 19.0 grams of fluorine, then what is the percent by mass of fluorine in the compound that is
astraxan [27]
The reaction between hydrogen (H2) and fluorine (F2) is given below,
                                   H2 + F2 ---> 2HF
One mole of both hydrogen and fluorine yields to 2 moles of hydrogen fluoride. This can also be expressed as, 2 grams of hydrogen and 38 grams of fluorine will form 40 grams of hydrogen fluoride. From the given, only 20 grams of HF is formed with 19 g of it being fluorine. Thus, the percentage fluorine of the compound formed is 95%. 
8 0
3 years ago
Read 2 more answers
A reaction is non-spontaneous at any temperature when
slavikrds [6]

Answer:

A reaction is non-spontaneous at any temperature when the Gibbs free energy > 0.

Explanation:

There is a state function, that determines if a reaction is sponaneous or non spontaneous:

ΔG = Gibbs free energy

A reaction is non spontaneous when it does require energy to produce that reaction. It will be spontaneous, when the reaction does not require energy to be occured.

The formula is: ΔG = ΔH - T.ΔS

ΔH → Enthalpy → Energy gained or realeased as heat.

ΔH < 0 → <em>Exothermic reaction. Spontaneity is favored </em>

T  → Temperature

ΔS → Entropy →  Degree of disorder of a system.

When the system has a considered disorder ΔS > 0, disorder increases.

When the system is more ordered, ΔS < 0, disorder decreases.

The reaction will be non spontaneous if, the enthalpy is positive (endothermic reaction) and the ΔS < 0 (disorder decreases). It will not occur if we do not give energy.

ΔG < 0 → Spontaneous reaction

ΔG > 0 → Non spontaneous reaction

ΔG = 0 → System in equilibrium

8 0
3 years ago
Other questions:
  • Explain why the solutions of SbCl3(aq) in our lab also contain HCl. Why would adding a few drops of this solution to 300 mL of w
    7·1 answer
  • Which of the following types of organelles are most important in providing a cell with energy
    13·2 answers
  • Which level of an energy pyramid has the most energy available?
    14·1 answer
  • Which of the following statements is true? Atoms of isotopes of an element have different numbers of electrons. Atoms of isotope
    15·2 answers
  • The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic interaction between the ions and
    10·1 answer
  • Ms. Crawford gave the following instructions to her science class:
    10·2 answers
  • A cell is a system<br> True<br> False
    9·2 answers
  • The liquid soaking the dollar bill is a mix of alcohol and water. As the alcohol burns, the water evaporates. Why doesn't the he
    5·1 answer
  • the following punnett square shows a cross between two hybrid flowers. if the flowers show incomplete dominance, what fraction a
    15·2 answers
  • Upon what dose the force of gravity between two objects depend?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!