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Aleksandr-060686 [28]
3 years ago
14

When potassium hydroxide and barium chloride react, potassium chloride and barium hydroxide are formed. The balanced equation fo

r this reaction is _____. *
Chemistry
2 answers:
Natasha_Volkova [10]3 years ago
6 0
The answer is <span> 2KOH + BaCl2 --> 2KCl + </span>
Alinara [238K]3 years ago
6 0
<span>2 KOH + BaCl2 = 2 KCl + Ba(OH)<span>2</span></span>
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Why was the term inert gases dropped? Why was the term inert gases dropped? The term "inert" was dropped because hydrogen was ad
xxMikexx [17]

Answer:

B) The term "inert" was dropped because it no longer described all the group 8A elements.

Explanation:

Inert elements in chemistry simply refers to elements that are chemically inactive and are not expected to form any compounds. this is the general belief for the group 8 elements as they all have complete duplet/octet configurations (and ideally, they ought to be very stable with no tendency to form compounds by participating in the loss and gain of electrons). However the discovery of compounds like xenon tetrafluoride (XeF4) proved this to be wrong.

Again, the reason the term - inert gses was droppedis beacause this term is not strictly accurate because several of them do take part in chemical reactions.

After dropping the term - Inert gases, they are now referred to as noble gases.

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3 years ago
The two classifications of all chemicals are organic and salts. <br> a. True<br> b. False
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Chemicals are never classified all depends upon it's physical and chemical properties so the answer is FALSE
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3 years ago
Read 2 more answers
What mass of kcl in grams must be added to 500 ml of a 0. 15 m kcl solution to produce a 0. 40 m solution.
iren [92.7K]

91.4 grams

91.4 grams of kcl in grams must be added to 500 ml of a 0. 15 m kcl solution to produce a 0. 40 m solution.

C = mol/volume

2.45M=mol/0.5L

2.45M⋅0.5L = mol

mol = 1.225

Convert no. of moles to grams using the atomic mass of K + Cl

1.225mol * \frac{39.1+35.5}{mol}

mol=1.225

=1.225 mol . \frac{74.6g}{mol}

=1.225 . 74.6

=91.4g

therefore, 91.4 grams of kcl in grams must be added to 500 ml of a 0. 15 m kcl solution to produce a 0. 40 m solution.

What is 1 molar solution?

In order to create a 1 molar (M) solution, 1.0 Gram Molecular Weight of the chemical must be dissolved in 1 liter of water.

58.44 g make up a 1M solution of NaCl.

To learn more about molar solution visit:

brainly.com/question/10053901

#SPJ4

3 0
1 year ago
Reproductive cells contain only _____ gene copy.
lions [1.4K]

Answer:

Reproductive cells contain only four gene copy.

Explanation:

5 0
3 years ago
What is the concentration of H+ ions at a pH = 2?
kari74 [83]

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

In Step 5, you will calculate H+/OH– ratios for more extreme pH solutions. Find the concentration of H+ ions to OH– ions listed in Table B of your Student Guide for a solution at a pH = 2. Then divide the H+ concentration by the OH– concentration. Record these concentrations and ratio in Table C.

What is the concentration of H+ ions at a pH = 2?

<h3>0.01   mol/L  </h3>

What is the concentration of OH– ions at a pH = 2?

<h3>0.000000000001   mol/L   </h3>

What is the ratio of H+ ions to OH– ions at a pH = 2?

<h3> 10,000,000,000 : 1</h3>

<em>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</em>

Those are your correct answers on edg2020!

I LITERALLY spent 40 MINUTES trying to figure out this question, so please, use my VERY CORRECT answers!

<em>I hope this helps!</em>

6 0
3 years ago
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