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harina [27]
3 years ago
5

Name the layers of earth in order from most dense to least dense.

Chemistry
1 answer:
Oksi-84 [34.3K]3 years ago
3 0
1. inner core
2. outer core
3. mantle
4.crust
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15 grams of sodium reacts with a certain amount of chlorine to yield 37 grams of sodium chloride, as shown below.
ale4655 [162]

Answer: 22g of chlorine would be needed to carry out this synthesis reaction

Explanation:

A synthesis reaction is one in which two or more than two elements combine together to forma single product.

Na+Cl\rightarrow NaCl

The atoms present in the reactants are found on the product side. According to the law of conservation of mass, the number of atoms on both sides of the arrow must be same as the total mass must be conserved.

15 grams of sodium reacts with 22 grams of chlorine to yield 37 grams of sodium chloride. Thus 22g of chlorine would be needed to carry out this synthesis reaction.

4 0
3 years ago
How can I convert percent concentration to molarity?
harina [27]
<span>Calculate the mass of 1 L of solution. Mass of solution=1000mL soln ×1.19 g soln1mL soln =1190 g soln (3 significant figures + 1 guard digit)Calculate the mass of HCl . Mass of HCl=1190g soln ×37.7g HCl100g soln =448.6 g HCl.Calculate the moles of HCl . ...Calculate the molarity of the HCl.</span>
5 0
4 years ago
If a machine decreases the distance an object moves, it must also _____.
mart [117]

increase the force needed to move the object

Explanation:

If a machine decreases the distance an object moves, it must also increase the force need to move the object.

A machine is a device that is used to do work with a little energy input.

  Work done = force x distance

We see that to do more work, a lot of force must be applied to move a body through a greater distance.

If the distance is reduced;  

      Distance = \frac{Work done {force}

More force must be applied to measure up for the distance and make the machine more efficient.

learn more:

Work done brainly.com/question/9100769

#learnwithBrainly

 

3 0
3 years ago
In the following chemical reaction, which compound is a precipitate? NaCl(aq) + AgNO3(aq)NaNO3(aq) + AgCI (s)
hjlf
The answer is:  [D]:  " AgCl " .
_________________________________________________________ 

Explanation:

_________________________________________________________

Given the chemical reaction:
_________________________________________________________
  
       NaCl (aq) + AgNO₃ (aq) <span>→ </span> NaNO₃ (aq) + AgCl (s)   ;
_________________________________________________________

The "reactants" , which are on the "left-hand side" of the chemical equation, are:

"NaCl" (in aqueous solution);  and "AgNO₃" (in aqueous solution).

The "products", which are on the "right-hand side" of the chemical equation, are: 

"NaNO₃" (in aqueous solution); and:  "AgCl" (as a "solid").

The "AgCl" (as a "product"—which is a "solid"—would be the "precipitate" ; 
__________________________________________________________

   →  which is:  Answer choice:  [D]:  " AgCl " . 
__________________________________________________________
4 0
3 years ago
Read 2 more answers
Facts about homogeneous mixtures
Svetradugi [14.3K]
It has the same uniform/ appearance so basically they are same but in a different way if that makes sense, they consist of different substances and phrases, 
6 0
3 years ago
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