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Ksenya-84 [330]
3 years ago
15

Liquids: A) must be contained to stay in one spot B) have a variable volume, but a fixed mass C) are usually more dense than sol

ids and gases D) cannot be changed into gases
Chemistry
2 answers:
Margaret [11]3 years ago
8 0
B). Have a variable volume, meaning they fill up the area they are in.
koban [17]3 years ago
3 0

Answer:

B) have a variable volume, but a fixed mass

Explanation:

Option A in incorrect. Liquids have flow.  

Option B is correct. Liquids take the shape of the container in which they are kept, so they have a variable volume. Liquids have a fixed mass as mass is the amount of matter in a substance.  

Option C is incorrect. Liquids are less dense than solids but more dense than gases.  

Option D is incorrect. Liquids can change into gases by a process known as vaporization.  

 

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What is the scaling factor if the molar mass of
Step2247 [10]

Answer:

The scaling factor is 5.

Explanation:

Hello there!

In this case, since the scaling factor is defined as the ratio of the molar mass of the molecular formula (complete) to the empirical formula (simplified), it is possible to compute it for the empirical formula of CH2O whose molar mass is 30 g/mol (12+2+16) as shown below:

sf=150/30=5

Therefore, we can also infer that the molecular formula would be:

C_5H_1_0O_5

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The _________________ are either elements or compounds which are present prior to a chemical reaction.
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Reactants would be the missing word in the sentence because they make up the products in a chemical reaction
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3 years ago
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How many moles of k3po4 can be formed when 4.4 moles of h3po4 react with 3.8 moles of koh
vazorg [7]
1.27moles of K3PO4 can be formed.

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3 years ago
What’s the difference between 2o and o(subscript 2)?
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Answer:

2O is an atom while O2 Is a molecule

5 0
3 years ago
What is the effect of the following on the volume of 1 mol of an ideal gas? The temperature changes from 305 K to 32°C and the p
ryzh [129]

Answer:

The volume increases by 100%.

Explanation:

<u>Step 1:</u> Data given

Number of moles ideal gas = 1 mol

Initial temperature = 305 K

Final temperature = 32°C + 273.15 = 305.15 K

Initial pressure = 2 atm

final pressure = 101 kPa = 0.996792 atm

R = gasconstant = doesn't change

V1 = initial volume

V2= the final volume

<u>Step 2: </u>Calculate volume of original gas

P*V = n*R*T

(P*V)/ T = constante

(P1 * V1) / T1 = (P2 * V2)/ T2

In this situation we have:

(2atm * V1)/ 305  = (0.996792 *V2) / 305.15

0.006557*V1 = 0.003266*V2

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We see that the final volume is twice the initial volume. So the volume gets doubled. The volume increases by 100%.

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