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Sunny_sXe [5.5K]
3 years ago
6

What heat travel directly to the earth

Chemistry
1 answer:
rusak2 [61]3 years ago
8 0
Radiation is the heat that travels directly to the earth
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Identifying balanced and unbalanced forces
stealth61 [152]
In respective order:

Unbalanced

Balanced

Balanced

Unbalanced

Unbalanced
8 0
2 years ago
A block of metal has a mass of 51.11 g and displaces 71.46 ml of water. Calculate the density of the metal in g/ml.
Damm [24]

Answer:

The answer is

<h2>0.07 g/mL</h2>

Explanation:

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

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

From the question

mass of metal = 5.11 g

volume = 71.46 mL

The density of the metal is

density =  \frac{5.11}{71.46}  \\  = 0.071508536...

We have the final answer as

<h3>0.07 g/mL</h3>

Hope this helps you

8 0
3 years ago
WILL RATE BRAINLIST
svlad2 [7]

Answer:

The limiting reactant is the covers.

We are left with 3750 sheets of lined paper, 1125 sheets of graph paper and 25 staples.

Explanation:

the reaction is:

B - book

C - cover

Sl = sheet of lined paper

Sg - sheet of graph paper

St - staple

1B = 2C + 50Sl + 25Sg + 3St

We have covers for 150/2 = 75 books

We have lined paper for 7500/50 = 150 books

We have graph paper for 3000/25 = 120books

We have Staples for 250/3 = 83.(3) books, so for 83 books as we cannot make 1/3 of a book.

Because we only have covers for 75 books, covers are the limiting reactant.

After making 75 books we are left with:

0 covers

7500 - 75*50 = 3750 sheets of lined paper

3000 - 75*25 = 1125 sheets of graph paper

250 - 75*3 = 25 staples

6 0
3 years ago
Which of the following pairs of aqueous solutions will form a precipitate when mixed? Which of the following pairs of aqueous so
SIZIF [17.4K]

The chemical equations representing the reaction between the given combinations are:

1. CaS(aq) + Na_{2}SO_{4}(aq)-->CaSO_{4}(s)+Na_{2}S(aq).This reaction is a precipitation reaction as one of the product formed, CaSO_{4} is a solid.

2. Li_{2}SO_{4}(aq)+2KOH(aq)-->K_{2}SO_{4}(aq)+2LiOH(aq) In this reaction all the products are aqueous or soluble in water.

3.Li_{2}CO_{3}(aq)+2NaI(aq)-->Na_{2}CO_{3}(aq)+2LiI(aq). Both the products of this reaction are soluble in water.

Hence, the correct option would be 1. CaS + Na_{2}SO_{4}


6 0
3 years ago
Read 2 more answers
In the human body hydrochloric acid is responsible for the low ph of the contents of the
natulia [17]
The wording makes this question difficult, but HCl is found in stomach acid. Hope this helps!
4 0
3 years ago
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