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neonofarm [45]
2 years ago
9

.

Chemistry
1 answer:
sweet-ann [11.9K]2 years ago
6 0

Answer:lmk when u have the answer

Explanation:

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I PLEASE HELP! How many liters of a 2.25 molar hydrobromic acid (HBr) solution would be needed to react completely with 100.0 gr
PtichkaEL [24]
Moles of calcium metal used = 100/40.1=2.5
Moles of HBr need to react = 5 moles 
As the molar ratio is 1 is to 2 among them 
so
Moles=molarity x volume
5=2.25 x volume
volume=2.22 litres of HBr required for this reaction
ANSWER IS 2.22 LITRES
8 0
2 years ago
Compounds are neutral substances. true false
Karolina [17]
True 
as a compound tends to be formed from the reaction between two or more elements to produce stable compounds if they had a charge they would be classified as an ion 
hope that helps
4 0
3 years ago
Which excerpt from amy tan's "fish cheeks" is most clearly an example of conflict?
nexus9112 [7]
Answer is: <span>d.and then they arrived - the minister's family and all my relatives in a clamor of doorbells and rumpled christmas packages. robert grunted hello, and i pretended he was not worthy of existence?
</span>Fish Cheeks is a narrative essay about Amy and her Chinese family. They had invited a minister's family for a traditional Chinese dinner. All evening <span>she is embarrassed by her family and by the food.</span>
3 0
3 years ago
Read 2 more answers
Calculate the pH of a solution with an H+ ion concentration of 9.36 x 10-3 M ?
mel-nik [20]

Answer:

The answer is 2.03

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ {H}^{+} ]

where H+ is the Hydrogen ion concentration

From the question we have

pH =  -  log(9.36 \times  {10}^{ - 3} )  \\  = 2.02872415...

We have the final answer as

<h3>2.03 </h3>

Hope this helps you

6 0
2 years ago
15. Within a voltaic cell,___
kobusy [5.1K]

Answer:

B. oxidation; reduction

Explanation:

A voltaic cell is electro-chemical cell in which chemical energy is converted into electrical energy.

1. This cell utilizes chemical reaction to generate electric.\

2. there two electrode anode and cathode

3. At Anode oxidation occurs

4. At cathode reduction occurs

5. chemical is present in the cell which is electrolyte which completes the circuit of the voltaic cell.

  • oxidation is the process in which there is loss of electrons
  • Reduction is the process in which there is gain of electrons

___________________________________________________

Based on above discussion

At anode oxidation takes place

At cathode reduction takes place.

Hence, correct option is B. oxidation; reduction

7 0
2 years ago
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