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
andre [41]
3 years ago
5

Which term describes a substance that increases the concentration of hydroxide ions in solution?

Chemistry
2 answers:
Over [174]3 years ago
6 0
Arrhenius definition of a base
steposvetlana [31]3 years ago
5 0
Arrhenius definition of a base

An Arrhenius base is a substance that increases the concentration of OH- ions when dissolved in water.
You might be interested in
Describe how Gregor mendel's methods helped endure the accuracy of his results​
aliina [53]
Not sure good luck on finding someone too help you
7 0
3 years ago
A 75.0 g sample of dinitrogen monoxide is confined in a 3.q L vessel. What is the pressure( in atm) at 115 celsius
Nonamiya [84]
Data Given:
                  Pressure  =  P  =  ?

                  Volume  =  V  =  3.0 L

                  Temperature  =  T  =  115 °C + 273  =  388 K

                  Mass  =  m  =  75.0 g

                  M.mass  =  M  =  44 g/mol

Solution:
              Let suppose the Gas is acting Ideally. Then According to Ideal Gas Equation,
                                      P V  =  n R T
Solving for P,
                                      P  =  n R T / V      ------ (1)
Calculating Moles,
                                      n  =  m / M

                                      n  =  75.0 g / 44 g.mol⁻¹

                                      n  =  1.704 mol

Putting Values in Eq. 1,

                    P  =  (1.704 mol × 0.08205 atm.L.mol⁻¹.K⁻¹ × 388 K) ÷ 3.0 L

                    P  =  18.08 atm
7 0
3 years ago
A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 987 torr. The partial pressures of nitrogen, argon,
xz_007 [3.2K]

Answer:

The partial pressure of neon in the vessel was 239 torr.

Explanation:

In all cases involving gas mixtures, the total gas pressure is related to the partial pressures, that is, the pressures of the individual gaseous components of the mixture. Put simply, the partial pressure of a gas is the pressure it exerts on a mixture of gases.

Dalton's law states that the total pressure of a mixture of gases is equal to the sum of the pressures that each gas would exert if it were alone. Then:

PT= P1 + P2 + P3 + P4…+ Pn

where n is the amount of gases present in the mixture.

In this case:

PT=PN₂ + PAr + PHe + PNe

where:

  • PT= 987 torr
  • PN₂= 44 torr
  • PAr= 486 torr
  • PHe= 218 torr
  • PNe= ?

Replacing:

987 torr= 44 torr + 486 torr + 218 torr + PNe

Solving:

987 torr= 748 torr + PNe

PNe= 987 torr - 748 torr

PNe= 239 torr

<u><em>The partial pressure of neon in the vessel was 239 torr.</em></u>

4 0
3 years ago
Molecular energies can be expressed as the sum of 4 components: translational, rotational, vibrational, and electronic. Let thes
VikaD [51]

Answer:

The general form of a partition function is a sum over the states of the system,

Explanation:

qTr + qRo+ qVi +qEl= Qt

Qt= total energy

5 0
3 years ago
Does ultraviolet block sunburn
satela [25.4K]

Answer:

no

Explanation:

8 0
3 years ago
Other questions:
  • 2H2O2 → 2H2O + O2 synthesis decomposition combustion
    8·1 answer
  • 2. A block of material has a volume of 2 m3. It has a mass of 1 × 104 kg. Calculate the density of the material sample and expre
    7·1 answer
  • What best discribes the relationship between wavelength and frequency in a electromagnetic wave
    9·1 answer
  • "In a test tube was add a piece of Zn and 2 mL of HCl (.1M). This reaction produced ZnCl2 and Hydrogen gas. This reactions is a:
    13·1 answer
  • Vicky made the following list to describe humidity:
    13·2 answers
  • when washing soda is mixed with lemon juice, bubbles are formed with the evolution of gas. what type of change is it. ​
    10·1 answer
  • Forces and Motion:Question 1
    11·1 answer
  • In a lab experiment 80.0 g of ammonia [NH3] and 120 g of oxygen are placed in a reaction vessel. At the end of the reaction 72.2
    8·1 answer
  • A chemist wants a 0. 100 M solution of NaOH. She has 0. 0550 mol NaOH available. What volume of solution is needed to make the m
    13·1 answer
  • ______ contributes to the nitrogen cycle by removing nitrogen from the air and converting it into a form that is usable by plant
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!