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IgorLugansk [536]
3 years ago
9

A year has 365 days, and a day has 24 hours. If an hour has 60 minutes and a minute has 60 seconds, how many seconds are there i

n 1 year?
54,750 s
525,600 s
3.15 Times. 107 s
1.89 Times. 109 s
Chemistry
2 answers:
grandymaker [24]3 years ago
7 0

Answer:

3.15 x 10^7s

Explanation:

Cloud [144]3 years ago
3 0

Answer:

31,536,000 seconds

Explanation:

off google

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hichkok12 [17]

3,1,3,1

Explanation:

 Reaction equation:

    HBr    +    Al(OH)₃   ⇒    H₂O    +     AlBr₃

To balance an equation we make sure that the same number of atoms appears on both sides of the expression.

  HBr    +    Al(OH)₃   ⇒    H₂O    +     AlBr₃

Let us a simple mathematical method to solve this problem

  aHBr    +    bAl(OH)₃   ⇒    cH₂O    +     dAlBr₃

  a, b , c and d are the coefficients that will make the equation balanced;

 Conserving H;  a + 3b = 2c

                      Br;  a  = 3d

                      Al;   b  = d

                       O;    3b  = c

    let us make a = 1

                         d = \frac{1}{3}

                         b = \frac{1}{3}

                          c = 1

multiply through by 3;

     a = 3, b = 1, c= 3 and d = 1

learn more:

Balanced equation brainly.com/question/9325293

#learnwithBrainly

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3 years ago
What phases can carbon dioxide exist?​
Oliga [24]

Answer:

Carbon dioxide is a gas at room temperature

6 0
3 years ago
When a solution is basic, the pH is always greater than
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The ph is always greater than 7
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How many ml of a 0.50m solution of hno3 solution are needed to make 500 ml of 0.15m hno3
Anna71 [15]

Answer:

150.0 mL.

Explanation:

  • It is known that the no. of millimoles of HNO₃ before dilution = the no. of millimoles of HNO₃ after dilution.

∵ (MV) before dilution = (MV) after dilution.

<em>∴ V before dilution = (MV) after dilution / M before dilution</em> = (0.15 M)(500.0 mL)/(0.50 M) = <em>150.0 mL.</em>

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3 years ago
What sound frequency would a human ear not be able to detect?
koban [17]

Answer: A: 10

Explanation:

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