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Vlada [557]
3 years ago
8

Which particle has a negative charge?

Chemistry
2 answers:
GaryK [48]3 years ago
8 0
The answer is a i’m pretty sure
sweet [91]3 years ago
6 0

Answer: A

Explanation: Beta particles have a charge of -1

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PLEASE HELP! sketch the structure of the nitrogen-containing product that is formed when ethylamine reacts with water​
Aleksandr [31]

First of all the ethylamine is base so will be react with water to take the proton from the water (H⁺) , because water is amphoteric will react with bases as acid and acids as a base, so the water in this case will react as an acid and will gives the proton to the base.

In the picture you may see the chemical equation and the structure of the products.

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3 years ago
What is the purpose of the plasma membrane
Murljashka [212]
The plasma membrane<span> is the boundary between the cell and its environment. It regulates what enters and exits the cell. Cells must maintain an appropriate amount of molecules to </span>function<span> inside them. They must also have a way to keep things out or to allow things to enter.</span>
4 0
3 years ago
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How much heat is required to heat 1.6g of ice from -16c to steam at 112c?
oksian1 [2.3K]

Answer:

Total heat ≅ 49.07 kJ

Explanation:

Given that:

mass = 1.6 g = 0.016 kg

Initial temperature = - 16 ° C

final temperature = 112° C

specific heat for ice = 2.06 kJ/kgC

specific heat of water = 4.186 kJ/kgC

heat fusion of ice = 334 kJ/kg

specific heat for steam = 2.1 kJ/kgK

heat of vaporization of water = 2256 kJ/kg

To heat ice from -16 ° C to 0 ° C

Q₁ =  2.06 kJ/kgC × 0.016 kg ×  16 ° C

Q₁ =  0.52736 kJ

To melt Ice at 0° C

Q₂= 334 kJ/kg × 0.016 kg = 5.344 kJ

To heat water from 0° C to  100° C

Q₃ = 4.186 kJ/kgC × 0.016 kg  × 100° C

Q₃ = 6.6976 kJ

To vaporize water to steam at 100° C

Q₄ = 2256 kJ/kg × 0.016 kg = 36.096 kJ

To heat steam from 100C to 112° C

Q₅ = 2.1 kJ/kgC × 0.016 kg × 12 C

Q₅ = 0.4032 kJ

Total heat = Q₁ + Q₂ + Q₃ + Q₄  + Q₅

Total heat =  (0.52736 +  5.344 +  6.6976 + 36.096 + 0.4032) kJ

Total heat = 49.06816  kJ

Total heat ≅ 49.07 kJ

6 0
3 years ago
What magma would have formed from the partial melting of mantle material?.
BabaBlast [244]

Answer:

Basaltic magma is formed through dry partial melting of the mantle. The mantle lies just below the crust of the earth. Basalts make up most of the ocean’s crust; this is why basaltic magma is typically found in oceanic volcanoes. See also what substances are emitted from fumaroles? What type of melting produces most basaltic magmas?

Explanation:

please add me as brainliest..

3 0
2 years ago
Large crystals are formed when _____. igneous rocks cool very quickly metamorphic rocks change into igneous rock sedimentary roc
vivado [14]

igneous rocks cool very slowly

Explanation:

Large crystals are formed when rocks cool very slowly. This gives time for crystallization nuclei to form and other crystals aggregates round it.

  • Large crystals in rocks are typical of intrusive igneous rocks.
  • These rocks are formed beneath the earth surface and they usually have big crystals.
  • This because they cool slowly and have time for crystal formation.
  • Rocks that cools rapidly are extrusive igneous rocks.
  • They are usually fine grained and glassy in nature.

learn more:

Volcanic eruptions brainly.com/question/5055821

#learnwithBrainly

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3 years ago
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