How would the moon appear from earth if the moon did not rotate?

Calculate the mass of water produced by the metabolism of 49.0 g of glucose (C6H12O6). C6H12O6 + 6O2 → 6CO2 + 6H2O

aivan3 [116]

I will mark brainlist please help

1) what is the subject of a sentence?

• the verb

• tells who or what the sentence is about

• the action in the sentence

2) What is the predicate of a sentence?

• who the sentence is about?

• tells what the subject is or does

3) What is the PREDICATE in this sentence.

- Mrs. Shaffer is crazy

• Mrs. Shaffer

• is

• is crazy

• Shaffer is crazy

4) what is the predicate of this sentence.

- Friday is the best day of the week

• Friday

• is the best day of the week

5) What is the subject of this sentence?

- The turtle is swimming in the ocean

• the turtle

• is swimming in the ocean

6) What is the the complete predicate of this sentence?

- The class studied whales.

• class

• the class

• whales

• studied whales

7) What is the predicate in the sentence

- She drank her whole glass of milk

• she

• milk

• drank her whole glass of milk

• drank milk

8) what is the subject in the sentence?

- The music class attended the opera.

• the music class

• attended

• music

9) identify the complete subject.

- Susan and Kay went swimming.

• went swimming

• Susan and Kay

• went

10) identify the COMPLETE predicate

- Tina and her friends went to the movies

• Tina

• her friends

• to the movies

• went to the movies

11) identify the SIMPLE PREDICATE PART.

- Tina and her friends went to the movies

• Tina

• her friends

• went

• the movies

12) identify the circled line in the sentence.

- All of the ((((PLAYERS)))) went to practice

• complete subject

• simple subject

• simple predicate

• complete predicate

7 0

2 years ago

Dicarbon monoxide, C2O, is found in dust clouds in space. Analysis of it shows that the sequence of atoms in this molecule is C–

lorasvet [3.4K]

Hello there,

Ione pairs of electrons that are present in a molecule of C2O are...

4

Each Oxygen forms two bonds with Carbon

Hope I Helped!

-Char

8 0

2 years ago

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PLZ HELP 20 POINTS

N76 [4]

I think is the letter B but i dont know if its right

4 0

2 years ago

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Aqueous sulfuric acid reacts with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water . If of water is pro

sergeinik [125]

The question is incomplete, here is the complete question:

Aqueous sulfuric acid reacts with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water. If 12.5 g of water is produced from the reaction of 72.6 g of sulfuric acid and 77.0 g of sodium hydroxide, calculate the percent yield of water. Be sure your answer has the correct number of significant digits in it.

Answer: The percent yield of water in the reaction is 46.85 %.

Explanation:

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ .....(1)

For NaOH:

Given mass of NaOH = 77.0 g

Molar mass of NaOH = 40 g/mol

Putting values in equation 1, we get:

$\text{Moles of NaOH}=\frac{77.0g}{40g/mol}=1.925mol$

For sulfuric acid:

Given mass of sulfuric acid = 72.6 g

Molar mass of sulfuric acid = 98 g/mol

Putting values in equation 1, we get:

$\text{Moles of sulfuric acid}=\frac{72.6g}{98g/mol}=0.741mol$

The chemical equation for the reaction of NaOH and sulfuric acid follows:

$H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O$

By Stoichiometry of the reaction:

1 mole of sulfuric acid reacts with 2 moles of NaOH

So, 0.741 moles of sulfuric acid will react with = $\frac{2}{1}\times 0.741=1.482mol$ of NaOH

As, given amount of NaOH is more than the required amount. So, it is considered as an excess reagent.

Thus, sulfuric acid is considered as a limiting reagent because it limits the formation of product.

By Stoichiometry of the reaction:

1 mole of sulfuric acid produces 2 moles of water

So, 0.741 moles of sulfuric acid will produce = $\frac{2}{1}\times 0.741=1.482moles$ of water

Now, calculating the mass of water from equation 1, we get:

Molar mass of water = 18 g/mol

Moles of water = 1.482 moles

Putting values in equation 1, we get:

$1.482mol=\frac{\text{Mass of water}}{18g/mol}\\\\\text{Mass of water}=(1.482mol\times 18g/mol)=26.68g$

To calculate the percentage yield of water, we use the equation:

$\%\text{ yield}=\frac{\text{Experimental yield}}{\text{Theoretical yield}}\times 100$

Experimental yield of water = 12.5 g

Theoretical yield of water = 26.68 g

Putting values in above equation, we get:

$\%\text{ yield of water}=\frac{12.5g}{26.68g}\times 100\\\\\% \text{yield of water}=46.85\%$

Hence, the percent yield of water in the reaction is 46.85 %.

8 0

3 years ago

Dissolving 0.729 mol NaCl in 2530 mL of water yields a solution with what concentration?

Natasha_Volkova [10]

Dissolving 0.729 mol NaCl in 2530 mL of water yields a solution with 2.88M concentration.

Explanation:

The moles of NaCl given will be dissolved and volume will be made with given data will give molarity.

The units for molarity are moles/litre, so the volume given in ml will be converted to litres by dividing it with 1000.

data given:

number of moles of NaCl = 0.729 moles

volume of the solution = 2530 ml or 2.53 litre

To calculate the concentration of the solution the formula used is:

molarity = $\frac{0.729}{2.530}$

= 0.288 M

The concentration or molarity of the solution OF NaCl is 2.88M

5 0

2 years ago

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