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GuDViN [60]
3 years ago
5

How much will a student earns in 19 weeks if she works for 5 hours each week at a rate of $7 / hour?

Chemistry
2 answers:
koban [17]3 years ago
8 0

Answer:

665

Explanatio

mafiozo [28]3 years ago
3 0

Answer:

$665

Explanation:

5 hours per week × $7 per hour = $35 per week

$35 per week × 19 weeks = $665

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Tcecarenko [31]

Answer:

The collision theory states that a chemical reaction can only occur between particles when they collide (hit each other).

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4 0
2 years ago
What is the redox half equation for 3Ag2S + 2Al --&gt; 6Ag + Al2, and identity which material is oxidized and which is reduced?
marta [7]

Answer:

Al is oxidized while Ag is reduced.

Explanation:

The complete molecular equation is;

3Ag2S + 2Al --> 6Ag + Al2S3

Oxidation half equation;

2Al ------> 2Al^3+ + 6e

Reduction half equation;

6Ag^+ + 6e -------> 6Ag

Overall redox reaction equation;

2Al + 6Ag^+ ----->2Al^3+ + 6Ag

Hence; Al is oxidized while Ag is reduced.

5 0
3 years ago
A sample of gas at 30 degrees celcius occuoies 2.5 L at 1.3 atm. What volume will the sample occupyif pressure changes to 2 atm
Irina18 [472]

Answer: 1.73L

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3 0
3 years ago
Write the value represented by 4.5x10-6 g
monitta

the value represented by 4.5x10-6 g is 0.0000045 g it is a representation  in standard notation

To express enormous figures which are in standard notation like 1,300,000 or exceedingly minuscule quantities like 0.0000000000045, scientists use scientific notation. Scientific notation, also referred to as exponential form, is one of the earliest mathematical techniques. It is well regarded by practitioners. People use scientific notation to handle situations where numbers are too large or too small to be calculated easily. Scientists, engineers, and mathematicians all use this technique. where as standard notation is way writing numbers in normal decimal form. The scientific method id most convenient denoting numbers as the numbers will be either too big or too small.

To learn more about standard notation:

brainly.com/question/10253124

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6 0
1 year ago
Convert 0.95 kilograms into centigrams. (1 g = 100 cg; 1 kg = 1000 g)
svet-max [94.6K]

Answer:

95,000 centigrams

Explanation:

There is 1000 CG in 0.01 kilograms

so you do 1000*95 which equals 95,000 centigrams.

6 0
3 years ago
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