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Gnoma [55]
3 years ago
7

What is the density of an object that has a volume of 66.528 centimeters and a mass of 38.3 grams?

Chemistry
1 answer:
jok3333 [9.3K]3 years ago
5 0

Answer:

<h3>The answer is 0.58 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{ 38.3}{66.528}  \\  = 0.575697450...

We have the final answer as

<h3>0.58 g/cm³</h3>

Hope this helps you

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In the Sandwiches mode, select the "Cheese" option and observe the equation given for the preparation of a cheese sandwich. When
Nesterboy [21]

1- 4 bread slices and 5 cheese slices

2- 6 bread slices and 2 cheese slices

3- 6 bread slices and 4 cheese slices

4- 8 bread slices and 3 cheese slices

5- 2 bread slices and 1 cheese slice

6- 4 bread slices and 1 cheese slice

7- 6 bread slices and 3 cheese slices

8- 8 bread slices and 5 cheese slices

Answer:

1)Bread is the limiting ingredients:

•4 bread slices and 5 cheese slices

•6 bread slices and 4 cheese slices

•8 bread slices and 5 cheese slices

2)Cheese is the limiting ingredients:

•6 bread slices and 2 cheese slices

•8 bread slices and 3 cheese slices

•4 bread slices and 1 cheese slice

3)There are no limiting ingredient

•6 bread slices and 3 cheese slices

•2 bread slices and 1 cheese slice

Explanation:

In a certain chemical reaction,if one of the reactant is present in small amount,the reaction stops abruptly once all of that reactant is used up.This reactant is called a limiting reagent. While the other ractant is called the excess reagent. Similarly, in the above mentioned question,the ingredient that was limiting was less in number while the other ingredient was in excess.

5 0
3 years ago
A student is given a stock solution of 1.00 M NaCl in water. They are asked to make 5 mL of 0.0500 M NaCl. How much of the stock
Harrizon [31]

Answer:

The answer to your question is None of your answers is correct, maybe the data are wrong.

Explanation:

Data

Concentration 1 = C1 = 1 M

Volume 2 = 5 ml

Concentration 2 = 0.05 M

Volume 1 = x

To solve this problem use the dilution formula

             Concentration 1 x Volume 1 = Concentration 2 x Volume 2

Solve for Volume 1

              Volume 1 = (Concentration 2 x Volume 2)/ Concentration 1

Substitution

              Volume 1 = (0.05 x 5) / 1

Simplification

              Volume 1 = 0.25/1

Result

               Volume 1 = 0.25 ml

3 0
4 years ago
How many moles of H2s are produced when 2.25 moles Hcl react with excess zns
svlad2 [7]

Answer:

1.125 moles of H2S

Explanation:

From 2HCl(aq) + ZnS(s) ---------> H2S (g) + ZnCl2 (aq)

From the reaction equation;

2 moles of HCl produces 1 mole of H2S

Therefore 2.25 moles of HCl will produce 2.25 ×1/2 = 1.125 moles of H2S

Recall that it was explicitly stated in the question that ZnS is the reactant in excess. This implies that HCl is the limiting reactant and controls the amount of product obtained.

4 0
3 years ago
Can you help me balance these chemistry equations?<br> I need to be done by 8pm and it's 7:17pm
Ivanshal [37]

Yes, It is correct.

7 0
3 years ago
How many grams are in 0.35 moles of C2H4? please show dimensional analysis
fredd [130]

Answer:

9.8g

Explanation:

Using periodic table find molar mass of C and H:

C=12.01g/mol

H=1.008g/mol

Molar mass of C2H4=(12.01)2+(1.008)4=28.03g/mol

Using molar mass times moles of the chemical to find the mass in 0.35 moles of c2h4:

28.03 x 0.35=9.8grams

5 0
3 years ago
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