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3 years ago

Convert 25 degrees Celsius to Farenheit.

Chemistry

2 answers:

oksian1 [2.3K]3 years ago

8 0

Answer:

Im 98% sure it's 77 F

Sindrei [870]3 years ago

6 0

Answer:

(25°C × 9/5) + 32 = 77°F

Explanation:

hope this helps

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Why atomic mass doesn't depends upon number of electrons<br><img src="https://tex.z-dn.net/?f=%20%5C%5C%20" id="TexFormula1" tit

nikklg [1K]

Answer:

In fact, it turns out that the mass of an electron is so small relative to the masses of protons and neutrons that electrons are considered to have a negligible effect on the overall mass of an atom.

Explanation:

mark me brain list

6 0

3 years ago

Write the TOTAL IONIC EQUATION between zinc and hydrochloric acid.

Andreyy89

Answer : The net ionic equation will be,

$Zn(s)+2H^+(aq)\rightarrow Zn^{2+}(aq)+H_2(g)$

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The balanced ionic equation between zinc and hydrochloric acid will be,

$Zn(s)+2HCl(aq)\rightarrow ZnCl_2(aq)+H_2(g)$

The ionic equation in separated aqueous solution will be,

$Zn(s)+2H^+(aq)+2Cl^-(aq)\rightarrow Zn^{2+}(aq)+2Cl^-(aq)+H_2(g)$

In this equation, $Cl^-$ is the spectator ion.

By removing the spectator ion from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

$Zn(s)+2H^+(aq)\rightarrow Zn^{2+}(aq)+H_2(g)$

8 0

4 years ago

What is the formula for the carboxylic acid functional group?

boyakko [2]

Answer: C

Explanation:

This is a fact.

7 0

2 years ago

A substance has a high melting point and conducts electricity in the liquid phase The is substance is

posledela

Answer:

oxygen

Explanation:

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3 years ago

A 6.50x10^-5 m solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15 cm cell at a wave

mihalych1998 [28]

For this problem, we use the Beer Lambert's Law. Its usual equation is:

A = ∈LC
where
A is the absorbance
∈ is the molar absorptivity
L is the path length
C is the concentration of the sample solution

As you notice, we only have to find the absorbance. But since we are not given with the molar absorptivity, we will have to use the modified equation that relates % transmittance to absorbance:

A = 2 - log(%T)
A = 2 - log(27.3)
A = 0.5638

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3 years ago