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3 years ago

33,792 ft = ? miles. can you help me please

Chemistry

1 answer:

konstantin123 [22]3 years ago

7 0

Answer:

6.4 miles

Could you please give me brainliest, I need it.

Explanation:

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How many molecules of oxygen are needed to make 3.5 oxygens of water?

max2010maxim [7]

Answer:

57.6g

Explanation:

So, if in one mole of water, 16 g of oxygen atom is present. Then, in 3.6 moles of water, the mass of oxygen present will be 3.6×16=57.6g. Therefore, the amount of oxygen present in 3.6 g water is option (B)- 57.6 g.

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2 years ago

How many moles of silicon are in 5.9 X 10 to the 24 power atoms of silicon

Dimas [21]

Answer:

9.79740949850 moles

Explanation:

1 mole = Avogardo's Number <<6.022 E 23 <<particles, atoms, etc.>>
This problem can be solved using dimensional analysis by multiplying atoms (5.9E24 atoms) by (1) mole and then dividing the number by Avogardo's number (6.022 E 23 atoms).
Note: E = * 10

Side Note: Please let me know if you need any clarifications about this!

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3 years ago

Read 2 more answers

A Snickers bar contains 27.0 g of sugars (carbohydrates), 4.0 g of protein and 12.0 g of fat. How many food calories (Cal) are c

amm1812

Answer:

There are 232 calories in the bar

Explanation:

Carbohydrates and protein are both 4 calories per gram, while fat is 9 calories per gram.

$27*4=108\\4*4=16\\12*9=108\\108+108+16=232$

4 0

3 years ago

Basic molecules contain more ...

notsponge [240]

Answer:

Option C. hydroxide ions (OH-).

Explanation:

A base is a substance which dissolves in water to produce hydroxide ion (OH-) as the only negative ion. It therefore means that a base contains more hydroxide ions (OH-).

5 0

3 years ago

Give the name of the prefix and the quantity indicated by the following symbols that are used with SI base units.

Serhud [2]

Answer:

A. Centi, 10*-2

B. Deci, 0.1 or 10*-1

C. Giga, 10*9

D. Kilo, 10*3

E. Milli, 10*-3

F. Nano, 10*-9

G. Pico, 10*-12

H. Tera, 10*12

7 0

3 years ago