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motikmotik
3 years ago
13

Which of the following describes the properties of a base?

Chemistry
1 answer:
Rina8888 [55]3 years ago
6 0
I would say B, because in normal reactions (non-nuclear) protons are not moved around, and according to Bronsted-Lowry theory, bases accept ELECTRONS. Thus the answer cannot be A, C, or D and must be B.
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What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?
tatuchka [14]

the force that pushes magma from the magma chamber through the pipe and vent of a volcano is expanding gases.




Hope this helps you succeed. :D

4 0
3 years ago
Read 2 more answers
What are the standard ways to make a solution of known concentration? (select all that apply.)?
MatroZZZ [7]

1- Molar solutions: based on number of moles of chemical in 1 litre of solution

2- Weight % solution:  the weight of chemical divided by the total weight of the solution (chemical + water) and multiplied by 100.

8 0
3 years ago
Need help with this question ​
Amanda [17]

Answer:

Sugar, Carbon Dioxide, And Water

Explanation:

A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds. Chemical substances can be simple substances, chemical compounds, or alloys. Chemical elements may or may not be included in the definition, depending on expert viewpoint.

3 0
1 year ago
Complete the table and sort the wavelengths
suter [353]

Answer:

Energy: Radio Waves least, Infrared 2nd,, Blue light 3rd, Gamma Rays 4th

Wavelength: Gamma Rays smallest wavelength, Blue light 2nd, Infrared 3rd, Radio waves 4th

Frequency: Radio Waves smallest frequency, Infrared 2nd, Blue Light 3rd, Gamma Rays 4th

Explanation:

The different types of radiation are defined by the the amount of energy found in the photons. Radio waves have photons with low energies, microwave photons have a little more energy than radio waves, infrared photons have still more, then visible, ultraviolet, X-rays, and, the most energetic of all, gamma-rays.

5 0
3 years ago
What is the energy of a photon having a wavelength of 2.60 ✕ 10-8 m?<br> J
zvonat [6]

The energy of a photon : 7.645 x 10⁻³⁴ J

<h3>Further explanation </h3>

Radiation energy is absorbed by photons

The energy in one photon can be formulated as

\large{\boxed{\bold{E\:=\:h\:.\:f}}}

Where

h = Planck's constant (6,626.10⁻³⁴ Js)

f = Frequency of electromagnetic waves

f = c / λ , Hz

c = speed of light

= 3.10⁸  m/s

λ = wavelength ,m

wavelength λ of 2.60 ✕ 10⁻⁸ m

The energy :

\tt E=h.\dfrac{c}{\lambda}\\\\E=6.626.10^{-34}\times \dfrac{3\times 10^8}{2.6\times 10^{-8}}\\\\E=7.645\times 10^{-34}~J

3 0
3 years ago
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