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vovangra [49]
4 years ago
10

A positively charged atom is known as a cation. A cation will?..

Chemistry
1 answer:
Murljashka [212]4 years ago
4 0

Answer:

The answer is <em><u>A</u></em>.

Cations are formed when an atom or group of atom loses one or more electrons. The resulting species has more protons than electrons, so it has an overall positive charge.

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Which of the following is NOT a way in which minerals are formed?
Vilka [71]

Answer:

B

Explanation:

8 0
3 years ago
Fish, amphibians, reptiles, birds, and mammals have similar embryos. They all start with gill slits. Fish and some amphibians gr
Ilya [14]

Answer:

Birds

Explanation: They are both mammals

5 0
3 years ago
A gas that has a volume of 28 liters, a temperature of 45C, And an unknown pressure has its volume increased to 34 liters and it
patriot [66]

Answer:

P1 = 2.5ATM

Explanation:

V1 = 28L

T1 = 45°C = (45 + 273.15)K = 318.15K

V2 = 34L

T2 = 35°C = (35 + 273.15)K = 308.15K

P1 = ?

P2 = 2ATM

applying combined gas equation,

P1V1 / T1 = P2V2 / T2

P1*V1*T2 = P2*V2*T1

Solving for P1

P1 = P2*V2*T1 / V1*T2

P1 = (2.0 * 34 * 318.15) / (28 * 308.15)

P1 = 21634.2 / 8628.2

P1 = 2.5ATM

The initial pressure was 2.5ATM

3 0
3 years ago
How many total valence electrons are available for the Lewis Dot structure of H2S?
Anettt [7]

Answer:

8 Valence Electrons

Explanation:

  • There are 2 atoms of Hydrogen and 1 atom of Sulfur in the compound.
  • Each Hydrogen atom has 1 electron (which is the valence electron).
  • Sulfur has six valence electrons.
  • Therefore, there is a total of eight valence electrons in H2S.
7 0
3 years ago
Calculate the pH during the titration of 20.00 mL of 0.1000 M dimethylamine, (CH3)2NH(aq), with 0.1000 M HCl(aq) after 21.23 mL
Evgesh-ka [11]

The pH value of the solution is mathematically given as

pH=2.35

<h3>What pH value of the solution?</h3>

Question Parameters:

pH during the titration of 20.00 mL of 0.1000 M dimethylamine,

with 0.1000 M HCl(aq) after 21.23 mL of the acid

Generally, the equation for the  Chemical Reaction  is mathematically given as

(CH3)2NH(aq), +Hcl   ---> <---- (CH3)2NH2Cl(aq)

Therefore

HCl=\frac{0.186mol}{41.86}

HCL=0.00444M

WHere

HClaq--->H+(aq)+Cl-(aq)

Hence

H+=0.00444M

pH= -log{H+}

pH=log(0.00444)

pH=2.35

For more information on Chemical Reaction

brainly.com/question/11231920

8 0
2 years ago
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