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Orlov [11]
3 years ago
11

What's 2.5 meters to millimeters ????

Chemistry
2 answers:
Katyanochek1 [597]3 years ago
7 0

Answer:

2.5 meters = 2500 millimeters

Hope this helps :)

irga5000 [103]3 years ago
4 0

answer

2500

because it's mm

and you just have to add 2 more place values

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How is burning methane similar to burning magnesium?
zvonat [6]
I think it is that they use the same process which is oxidation 
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3 years ago
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An atom that has a negative four charge will have one of the following?
expeople1 [14]
B. An equal amount of protons and electrons
8 0
3 years ago
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When 35.47 g of sodium hydroxide react with boric acid (H3BO3), how many moles of sodium borate will be produced?
belka [17]

Answer:

5.83 g

Explanation:

First, you must start with a balanced equation so you can see the mole ratios.

NaOH + H₃BO₃ --> NaBO₂ + 2H₂O

You can see that it takes 1 mole of sodium hydroxide to form 1 mole of sodium borate. 1:1 ratio

Now you must calculate how many moles of NaOH 35.47 g equals.

Na = 22.99 amu

O = 15.99 amu

H = 1.008 amu

NaOH = 39.997 amu

35.47 g ÷ 39.997 amu = 0.08868 moles of NaOH

Since it's a 1:1 ratio, the same number of moles of NaBO₂ is created. Now you must convert moles to grams.

Na = 22.9 amu

B = 10.81 amu

2 O = 31.998 amu

NaBO₂ = 65.798 amu

0.08868 moles x 65.798 = 5.83 g

4 0
2 years ago
B. What do you notice about the number of atoms in one mole?
Doss [256]

Answer:

one mole of atom of any element contains6.022×1033 atoms regardless of the type of elements the mass of one mole of an element depend on what that element is and is equal to atom mass of that element in gram

5 0
3 years ago
2.00 L of a gas is collected at 25.0°C and 745.0 mmHg. What is the volume at 760.0 mmHg
Leviafan [203]

1.7960L

Explanation:

the mass of the gas is constant in both instances

pv/T=constant(according to pv=nRT)

745mmHg*2L/298K=760mmHg*v/273K

v=1.7960L

5 0
3 years ago
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