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vodka [1.7K]
3 years ago
14

I will give you Brainly if you awser correct if your gonna awser for points pl put I don’t know

Chemistry
2 answers:
gizmo_the_mogwai [7]3 years ago
6 0

Answer:

C

Explanation:

babunello [35]3 years ago
5 0
The answer is B. Trinitrogen Pentaoxide
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What determines the average kinetic energy of the molecules of any gas?
alexandr402 [8]
Temperature does. :)
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3 years ago
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Bromophenol blue is the indicator used in detecting the endpoint for the antacid analysis in this experiment. what is the expect
Paul [167]
Hello!

For the antacid analysis, the chemical reactions that occur in the titration are the following ones:

First, the antacid (composed of weak bases and carbonates) is completely neutralized by the H⁺ ions in the HCl

2HCl + CaCO₃ → CO₂ + H₂O + 2CaCl₂

HCl + OH⁻ → H₂O + Cl⁻

The titration reaction consists in titrating the excess H⁺ ions that are left in the solution, by the following reaction:

H⁺ + NaOH → H₂O + Na⁺

So, when the equivalence point is reached, the solution will go from acid to basic. As bromophenol blue is yellow in acidic solution and blue in basic solution, you'll expect the indicator to change from yellow to blue.

Have a nice day!
7 0
3 years ago
Saturated fatty acids and unsaturated fatty acids differ in.
ratelena [41]

Answer:

the number off double bonds in a fatty acid chain

4 0
1 year ago
H2(g)+p4(s)ph3(g) what the answer ?
disa [49]

Answer:

6H2 + P4→ 4PH3

Explanation:

Phosphorus has 4 in it and hydrogen has 3 in it. in order to balance it, we have to put 4 in front of phosphine so that the phosphorus on the product side has an equal amount as to the one on the reactant side.

the only one left to balance is hydrogen and so in order to balance it we put a 6 on h2 because the hydrogen in the product size becomes 12 (4 * 3).

therefore the hydrogen on the reactant side becomes 12 as well (6 * 2)

8 0
3 years ago
During which step of meiosis do the homologous chromosomes line up in the middle of the cell?
777dan777 [17]

Answer:

It is D

metaphase 1

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in metaphase chromosome line up in the middle.

3 0
3 years ago
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