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Aneli [31]
3 years ago
14

What does this ruler read as ? I need some help !!

Chemistry
1 answer:
Ludmilka [50]3 years ago
6 0

Answer: 41 7/10

Explanation:  The mark is on the seventh out of ten marks

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How to solve a balanced equation
geniusboy [140]

Explanation:

To balance a chemical equation, there are so many approaches to solve the problem.

A balanced chemical equation is one that obeys the law of conservation of matter.

According to this law "matter is neither created nor destroyed by atoms are just rearranged in chemical reaction".

This implies implies that equal number of atoms must be on both sides of the equation.

      There are two main approaches to balancing chemical equation;

  • Inspection
  • mathematical equation

We can inspect the equation and affix the proper coefficients to combining species.

Mathematically, we establish simple solvable algebraic equations to find the number of respective coefficients that will balance the equation:

 For example:

          H₂     +      O₂    →     H₂O

mathematically;

           aH₂     +      bO₂    →     cH₂O

  conserving:

         H :   2a  =  2c

         O:    2b  = c

 let a = 1

      c = 1

      b = \frac{1}{2}

multiply by 2 to give;

   a = 2, b = 1 , c= 2

               2H₂     +      O₂    →     2H₂O

learn more:

Balanced equation brainly.com/question/9325293

#learnwithBrainly

 

7 0
3 years ago
41.6 mL of an HCIO2 solution were
WINSTONCH [101]

Answer:

0.0521 M

Explanation:

          HClO2 + NaOH ---> NaClO2 + H2O

M(HClO2)V(HClO2) = M(NaOH)V(NaOH)

M(HClO2)*41.6 mL = 0.146 M*14.85 mL

M(HClO2) = 0.146*14.85/41.6 M = 0.0521 M

8 0
3 years ago
What is density? Describe and explain in your own words.
skad [1K]

..............................

3 0
3 years ago
What is the relationship between the moons surface gravity, lack of atmosphere, and temperature range?
luda_lava [24]
The main factor is the size of the moon. which is small compared to the earth, meaning that the moon has less gravity, and more gas is allowed to escape the surface, Which basically means theres no atmosphere.
8 0
3 years ago
An overhead view of two people at the start of a maze. The person in a purple shirt has a line running forward, right, backward,
Lubov Fominskaja [6]

Answer:

Zamir walked

27

meters and Talia walked

19

meters.

Explanation:

27 and 19

8 0
3 years ago
Read 2 more answers
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