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sergejj [24]
3 years ago
7

HELP ME PLS Asap :Which type of line is shown on the map?

Chemistry
1 answer:
AysviL [449]3 years ago
3 0

Answer:radar

Explanation:

Radar

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3. What as one of the surface process
uranmaximum [27]
I don’t know the answer question but I don’t know what about the answer question but please answer question question mark on the answer question question mark on the answer question
6 0
3 years ago
Read the descriptions below of two substances and an experiment on each. Decide whether the result of the experiment tells you t
harkovskaia [24]

Answer and Explanation: Sample A is a <u>mixture</u>. Solubility is characteristics of each substance, which means a substance can be distinguished from other substances and can be useful to separate mixtures.

In Sample A, when is added different volumes of water, the resulting powder has different mass. This means there are more than one substance forming the yellow cube. Therefore, sample A is a mixture.

Sample B is a <u>pure</u> <u>substance</u>. Each substance has its own melting point. Whe na pure substance reaches its melting point, temperature is constant until all of that substance is melted. In sample B, temperature is stable at 66.2°C and then, after all the powder is melted, it rises again. Therefore, sample B is a pure substance.

7 0
3 years ago
Question 8<br> What is the effective nuclear charge for a 2nd row electron in sulfur
miss Akunina [59]

Answer:

The effective nuclear charge for a 2nd row electron in Sulfur is +8

Explanation:

Zeff = Z (# of protons) - S (# of shielded electrons)

Since there are 8 electrons in the first and second rows combined, there are 8 shielding electrons.

The number of protons in Sulfur is 16.

Therefore,

Zeff = 16 - 8

Zeff = 8

(It's been awhile, so I am not 100% sure)

7 0
2 years ago
What type of energy does a person experience when jumping on a trampoline?
Fofino [41]

Answer:

Knetic

Explanation:

When you jump on a trampoline, your body has kinetic energy that changes over time. As you jump up and down, your kinetic energy increases and decreases with your velocity. Your kinetic energy is greatest, just before you hit the trampoline on the way down and when you leave the trampoline surface on the way up.

7 0
2 years ago
The product of the nuclear reaction in which 40Ar is subjected to neutron capture followed by alpha emission is ________. The pr
Orlov [11]

Answer:

37S

Explanation:

Radioactivity is the spontaneous emission of particles and / or electromagnetic radiation by unstable atomic nuclei leading to their disintegration.

We have two main types of radioactivity: radioactive decay and artificial transmutation.

In radioactive decay ( natural radioactivity ), a naturally occurring radioactive element like Uranium-238 disintegrates or decays into more stable isotopes with the emission of particles and/or radiation.

23892U = 23490Th + 42He

Artificial transmutation is the collision of two particles where one particle captures the other used to bombard it. There is subsequent production of isotopes similar or different from the bombarded particle. Neutrons, alpha particles ( helium nucleus ), electrons, protons can be used to bombard elements.

147N + 42He = 178O + 11P

For the above question which is artificial transmutation, the reaction equation is

4018Ar + 10n = 3716S + 42He

So, the neutron capture by Argon-40 will produce a radioisotope Sulphur-37 with the emission of an alpha particle.

5 0
3 years ago
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