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Mama L [17]
3 years ago
12

Which of the following is an example of a physical property?*

Chemistry
1 answer:
MariettaO [177]3 years ago
3 0

Answer: The mass

Explanation: ability to rust, flammability, and ability to combust are chemical properties.

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How should the enthalpy of an intermediate step be manipulated when used to produce an overall chemical equation?
White raven [17]
The enthalpy of an intermediate step should be manipulated when used to produce an overall equation by using the Hess's law. You could multiply the enthalpy by -1 if this equation is reversed in theory.
8 0
3 years ago
Which of the following compounds does NOT contain molecules? A. H2 B. NaCl C. CO2 D. H2O
vladimir1956 [14]
<span>NaCl is one and that is the only one that I know is for sure.

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3 years ago
Why did me need to have the same molecules in each bottle? and what would have happened if we didn't use the same molecules?
NNADVOKAT [17]

Answer:

it's just like doing a test grade on children if you give them different tests they might not come up with the same results, the molecules need to be the same or else the experiment will be even.

Explanation:

whenever water is hot the molecules will bounce really fast in the bottle, whenever water is cold he will go really slow in the bottle

8 0
3 years ago
At room temperature (208C) and pressure, the density of air is 1.189 g/L. An object will float in air if its density is less tha
Ugo [173]

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The relationship between mass and volume can be easily determined using density; for example, the mass of a body is equal to its volume multiplied by the density (M = Vd), whereas the volume is equal to the mass divided by the density (V = M/d). The ball filled with nitrogen will not float in the air because total density of filled ball is greater than the density of an air. Density of the evacuated ball D = 0.214 g/L

Density of nitrogen gas = d_4=1.165g/L

Mass of the nitrogen gas : 1.165g/L \times 0.560L = 0.6524g

Learn more about Mass and Density here:

brainly.com/question/10821730

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4 0
1 year ago
_____ Ca(NO3)2 + _____ Fe → _____ Fe(NO3)3 + _____ Ca I need this done quick and fast Balancing chemical equations
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Answer:

3, 2, 2,3

..........................

8 0
3 years ago
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