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aniked [119]
3 years ago
8

Please help me

Chemistry
1 answer:
natta225 [31]3 years ago
4 0
Indefinite shape and definite volume I’m pretty sure I could be wrong tho
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What volume would 8.01×1022 molecules of an ideal gas occupy at STP?
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Explanation:

8.01 \times  {10}^{22}  \times  \frac{1}{6.02 \times  {10}^{23} }  \times  \frac{22.4}{1}  = 2.9804

5 0
3 years ago
A sample of hexane (C6H14) has a mass of 0.580 g. The sample is burned in a bomb calorimeter that has a mass of 1.900 kg and a s
Mama L [17]
Use the formula, Q= mcT

Q= heat
m= mass= 1.900Kg= 1.900 x 10^3 grams
c= specific heat= 3.21 
T= 4.542 K

Q= (1.900 x10^3g)(3.21)(4.542K)= 14.6 Joules.
7 0
4 years ago
Read 2 more answers
What is the Density of 85 mL of a liquid that has a mass of 54 Kg?
Korolek [52]

Answer:

The answer to your question is  density = 635.3 g/ml (check the units)

Explanation:

Data

density = ?

volume = 85 ml

mass = 54 kg

Density is a physical property that relates the mass of an object and its volume.

The unit of this property are g/ml or kg/m³

In this problem, I will calculate the density in g/ml

Formula

            density = mass/ volume

-Substitution

            density = 54000 / 85

-Simplification

            density = 635.3 g/ml

3 0
3 years ago
in one analysiss 1.09 x 10^13 molecules of ozone were found in 1.00ml of air how many ozone moles are these
Step2247 [10]

Answer:10,900,000,000,000 ozone moles

Explanation:

7 0
3 years ago
PLEASE HELP!! GIVING BRAINLIEST
RSB [31]

Answer:

The answer is "0.00172172603".

Explanation:

Given:

Mass (M) = 1.60 \times  10^{-3} \ g\\\\Density (D) = 9.293 \times 10^{-1} \ \frac{g}{cm^3}\\\\Volume (V) =  ?

Formula:

\to \bold{V = \frac{M}{D}}

       = \frac{1.60 \times  10^{-3}}{9.293 \times  10^{-1}} \\\\  = \frac{1.60 \times  10^{1}}{9.293 \times  10^{3}} \\\\ = \frac{1.60 \times  10}{9.293 \times  1000} \\\\ = \frac{1.60 }{9.293 \times  100} \\\\ = \frac{1.60 }{929.3 } \\\\= 0.00172172603

4 0
3 years ago
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