2Na + 2H2O --> 2NaOH + H2 How many moles of NaOH can be produced from 7.0 moles of Na Find theoretical yield in moles PLSS HELP ME SOMEBODY 3

Answers

Answer 1

Answer:

[tex]n_{NaOH}=7.0molNaOH[/tex]

Explanation:

Hello there!

In this case, according to the given information about this problem, we first consider the given chemical reaction:

2Na + 2H2O --> 2NaOH + H2

Whereas there is 2:2 mole ratio of NaOH to Na; thus, we calculate the required theoretical yield of NaOH in moles as shown below:

[tex]n_{NaOH}=7.0molNa*\frac{2molNaOH}{2molNa} \\\\n_{NaOH}=7.0molNaOH[/tex]

Regards!


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Answer:

I guess option d

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Base your answer on the information below. Some carbonated beverages are made by forcing carbon dioxide gas into a beverage solution. When a bottle of one kind of carbonated beverage is first opened, the beverage has a pH value of 3. After the beverage bottle is left open for an hour, the hydronium ion concentration in the beverage solution decreases by 10 times of the original concentration. Determine the new pH of the beverage solution.

Answers

The question is incomplete, the complete question is;

Some carbonated beverages are made by forcing carbon dioxide gas into a beverage solution. When a bottle

of one kind of carbonated beverage is first opened, the beverage has a pH value of 3.

After the beverage bottle is left open for several hours, the hydronium ion concentration in the beverage

solution decreases to 1/1000 of the original concentration. Determine the new pH of the beverage solution.

Answer:

6

Explanation:

Recall that

pH= -log[H3O^+]

Hence, [H^+] when the drink was first opened;

3 = -log[H^3O+]

[H^+] = Antilog(-3)

[H30^+] = 1 * 10^-3

Since [H3O^+] decreases to 1/1000 times its original value;

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Hence,

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Ions Types of Ions Cation Anion 1. H+ 2.O-2 3.Ba2+ 4.Br- 5.Hg2+ 6.Li+ 7.Ca2+ 8.F- 9.S-2 10.Fe3+

Answers

Explanation:

The species with a positive charge over it, which means lack of electrons are called cations. Whereas the species with negative over it, meaning it has an excess of electrons with it are called anions.

From the list given the cations are

H+, Ba2+, Hg2+, Li+, Ca2+ and Fe2+

Whereas anions from the list are

O-2, Br-5, F-, S-2.

A Combination of cation and anions make an ionic compound in which cation is written first and then anion.

Can someone please explain this to me t,t
I could do the second part if i just understood the first-

Answers

Answer:

Theoretical 32.04 g

The precent yeild 87. 39 %

Explanation:

Mole of H2 = m/mw = 4/2 = 2 mol

From the equation

1 mol H2 --> 1/2 mol CH3OH

2 mol H2 -->??

So we have 1 mol Ch3oh

Mass of Ch3oh = mole *Mw = 1* 32.04

= 32.04g >>> the theoretically

For percent yeild = actual / theoretical * 100%

( 28.0/32.04) *100% =

87.93%

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Non-metal

Answers

Answer:

Metal

Non-metal

Explanation:

CaF2 is an ionic compound. Ionic compounds are mostly composed of a metal and a non metal. Metals donate electrons to non-metals to form ionic compounds.

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How many atoms of Neon are in 65.0 L of Neon gas?

Answers

Answer:

65.0 g NH3 x

mol NH3

17.04 g NH3

x  

6.02x1023 NH3 molecules

mol NH3

= 2.30x1024 NH3 molecules

(have uh good day)

Answer:

mole of Neon = 65L/22.4L

=2.901moles of Neon

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So 2.901moles will contains

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Answer:

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Answer:

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Answer:

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Answer:

Atomic mass is the weighted average mass of atom of an element based on the relative abundance of the element's isotopes. The mass number is a count of total number of protons and neutrons in an atom's nucles

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Answer:

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HELP ME PLEASE
IM LITERALLY FAILING
Which of the following is not a component of cell theory?
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Answers

Answer:

A

Explanation:

Definitely not in the cell theory

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Answer:

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Answer:

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Answer:

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Explanation:


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Answer:

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In the 21st century, there are 87 lunar eclipses in total, of which 6 are micro moons and 28 are supermoons. A supermoon lunar eclipse was seen in the September 2015 lunar eclipse.

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Plss Guyss I need ur helpp ?? Ill give u brainilist and 35 points ...

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Answer:

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#keep on learning

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Answers

Answer:

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Explanation:

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I hope this helps! :D

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74.8 grams
107 grams
89.4 grams
101 grams

Answers

Answer: 107 grams

Explanation: got it right on the test

The mass of a sample of f NH₃ containing  3.80 x 10²⁴ molecules of  NH₃ is  107.27 grams.

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6.02214076 × 10²³  molecules constitute 1 mole of NH₃

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= 107.27 grams

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11. Which do you think is more important in forming personality---environment or heredity? Explain your answer.​

Answers

Answer:

I believe forming an environmental personality is more important than forming a hereditary personality. Why I said this is because of the people around out can change your personality, and sometimes if you're with the wrong people, it can go wrong, with your personality too. You could have been a nice person at some time, you bur you hung out with the wrong people and now you're just very inconsiderate. Another reason on why I believe forming an environmental personality is more important because of the fact that maybe you could've been born with a parent who has a bad personality. You could try your best to be nicer by the choice of people you choose to be friends with.

Explanation:

i hope this helped, im only in 7th

If I have 4.4 moles of nitrous oxide (laughing gas) that is kept at 32.9 °C in a container under 1.6 atm, what is the volume of the container? (R = 0.0821 (L*atm)/(mol*K))

Round your answer to 1 decimal place.

Answers

Answer:

Explanation:

Using the ideal gas equation as follows:

PV = nRT

Where:

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = gas law constant (0.0821 Latm/molK)

T = temperature (K)

Based on the information provided in this question;

P = 1.6atm

n = 4.4 moles

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How many moles of Chlorine gas are required to produce 5.35 moles of NaCl in this
reaction?

Answers

Answer:

2.675 moles of Chlorine gas are required

Explanation:

Chlorine gas, Cl2, reacts with NaBr to produce NaCl and Br2 as follows:

Cl2 + 2NaBr → 2NaCl + Br2

Where 1 mole of chlorine gas produce 2 moles of NaCl

Thus, to produce 5.35 moles of NaCl are required:

5.35mol NaCl * (1mol Cl2 / 2mol NaCl) =

2.675 moles of Chlorine gas are required

Determine the percent yield if 0.0419 mol of ethyl acetate is produced but 0.0722 mol is calculated as the theoretical yield?

Answers

Percentage yield = 0.0419 /0.0722 x 100%
= 0.58033 x 100%
= 58.03%
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