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vodomira [7]
3 years ago
6

Please tell me if these statements are true or false

Chemistry
2 answers:
ololo11 [35]3 years ago
7 0

Answer:

4

Explanation:

cause

avanturin [10]3 years ago
5 0
Yes 4 would be right because that’s the one that makes sense
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5,678cm convert to millimeters
kykrilka [37]
1 cm ------------ 10 mm
5,678 cm ------- ? 

5,678 x 10 / 1 => 56,78 mm 
4 0
3 years ago
When a substance such as salt is dissolved in water, it is said to enter into the _____ state.
Lunna [17]
Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions. The amount of a substance that can dissolve in a liquid (at a particular temperature) is called the solubility of the substance.
6 0
4 years ago
Read 2 more answers
How many molecules does 88 grams CO2 contain? A) 1.2 X 1024 B) 1.8 X 1024 C) 3.0 X 1023 D) 6.0 X 1023
mylen [45]

Hey there!:

Molar mass CO2 = 44.01 g/mol

44.01 g CO2 ------------------- 6.02*10²² molecules CO2

88 g CO2 ------------------------ y

y = 88 * ( 6.02*10²² ) / 44.01

y = 5.29*10²⁵ / 44.01

y = 1.2 * 10²⁴ molecules of CO2

Answer A


Hope that helps!

7 0
3 years ago
The reaction of an acid and a base will always produce what kind of salt?
Musya8 [376]

Explanation:

E maybe i am not sure or C

4 0
3 years ago
Ethylene glycol (antifreeze) has a density of 1.11 g/cm3. What is the mass in grams of 385 mL of this liquid?
Makovka662 [10]
Cm^3 = mL

1.11 g/cm^3 = 1.11 g/mL

Density (g/mL) multiplied by volume (mL) will give us the mass (g)

1.11 g/mL * 385 mL = 427.35 g

And since we have 3 significant figures, we have 427. g.
6 0
3 years ago
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