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leva [86]
3 years ago
15

Which sentence is a scientific statement? A. Long hair looks better than short hair. B. Brick structures insulate better than wo

oden structures. C. Milkshakes should always be sweetened with honey. D. There is a large, apelike creature living in the Himalayas.
Chemistry
2 answers:
solong [7]3 years ago
7 0

D) There is a large, apelike creature living in the Himalayas is a scientific statement. The other statements are basically opinions.

Hope this Helps!!

vlada-n [284]3 years ago
4 0

D) There is a large, apelike creature living in the Himalayas is a scientific statement.

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How many protons and neutrons in the atom K-42
katovenus [111]
There are 20n nutrons in the atom k-42.
3 0
3 years ago
3 points
vfiekz [6]

Answer:

density=6.74g/ml

:320g÷47.5ml

d=6.74g/ml

thank you

<em><u>I </u></em><em><u>hope</u></em><em><u> </u></em><em><u>this </u></em><em><u>is </u></em><em><u>helpful</u></em>

8 0
3 years ago
What is the concentration of each ion in a solution that is prepared by dissolving 5.00 g of ammonium chloride in enough water t
const2013 [10]

Answer:

C = 0.08M

Explanation:

molar mass of AlCl3

Al =27

Cl = 35.5

27+3(35.5) =133.5g/mol

n= mass/Molar mass

n =CV

CV = mass/molar mass

C x 500 x 10^-³ = 5/133.5

C x 500 x 10^-³ = 0.04

C = 0.04/500 x 10^-³

C = 0.08M

4 0
3 years ago
What is the mass of a cube of aluminum that is 3.0 cm on each edge? The density of aluminum is 2.7 g/cm3.
n200080 [17]
Do you know the formula? I can’t find it.
8 0
3 years ago
3. What are the coefficients needed to balance this equation: Li + Alci→ LICI + Al?
JulijaS [17]

Explanation:

 The problem is in balancing the reaction equation;

              Li   +   AlCl₃     →     LiCl    +    Al

In balancing chemical equations, we must keep the law of conservation of matter in mind.

The law shows that the number of atoms on both sides of the reaction must be the same.

To balance the given equation, we set up simple, solvable algebraic mathematical expressions:

         aLi   +   bAlCl₃     →     cLiCl    +    dAl

Coefficients a, b,c and d

 

   Conserving:

             Li:      a   = c

             Al:      b = d

             Cl:       3b = c

let  b = 1;

      d = 1

       c = 3

      a = 3

                      3Li   +   AlCl₃     →     3LiCl    +    Al

learn more:

Balanced chemical equation brainly.com/question/2947744

#learnwithBrainly

 

5 0
3 years ago
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