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Andrew [12]
1 year ago
14

Write the following numbers in standard notation. Use a terminal decimal point when needed.

Chemistry
1 answer:
maw [93]1 year ago
8 0

In this case, when converting scientific notation to standard notation, we simply have to multiply the given number by 10^{x}x.

The answer will be 7.510^{2}  = 7.5100 = 750

A standard notation is a form of writing a given number, an equation, or an expression in a form that follows certain rules. For example, 4.5 billion years is written as 4,500,000,000 years.

Learn more about standard notation here:

brainly.com/question/10253124

#SPJ4

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A group of students is investigating how the addition of salt impacts the floatation of an egg in water. Four identical cups wer
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Answer: The correct answer is Option 1.

Explanation:

Control group is the group used in the experiment by the researchers in which no change in the variable is done. It is then set as a benchmark for the groups which are being tested.

We are given 4 groups which are being experimented for the flotation of an egg in water. As in Cup 1, there is no addition of salt and hence there is no change in the variables. So, this is set as a benchmark fro the cups which are further used in the experiment conducted.

Hence, the correct answer is Option 1.

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If the temperature of one mole of gas increases while its volume decreases, would you expect the gas pressure to increase, decre
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Pressure will increase since their is not much room

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Explanation:

8 0
3 years ago
2. Al + Fe2O3 → Al2O3 + Fe (Need to balance equation)
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Balanced equation: 2Al+Fe2O3–> Al2O3+2Fe

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4 0
3 years ago
You carefully weigh out 16.00 g of CaCO3 powder and add it to 64.80 g of HCl solution. You notice bubbles as a reaction takes pl
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Answer: Mass of CO_2  produced in this reaction was 6.56 grams

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

CaCO_3(s)+2HCl(aq)\rightarrow H_2O(l)+CO_2(g)+CaCl_2(aq)

Mass or reactants =  Mass of CaCO_3+ mass of HCl = 16.00 + 64.80 = 80.80 g

Mass of products  = mass of aqueous solution + mass of CO_2 + = 74.24 + x g

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Thus mass of CO_2  produced in this reaction was 6.56 grams

7 0
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