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Romashka-Z-Leto [24]
3 years ago
7

Which of the following is not a physical property of a liquid?

Chemistry
1 answer:
Usimov [2.4K]3 years ago
7 0
Gas is not a liquid, hope this helps, o and next time you might wanna put the answer choices thanks
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Match the Terms to their definition:
olganol [36]
1. B
2. H
3. G
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5. D
6. C
7. A
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I am not sure weather it is correct but I wrote what I know
3 0
3 years ago
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Which of these tasks falls under the responsibility of a forensic scientist?
Varvara68 [4.7K]

Answer:

Training officers in how to properly collect evidence

Explanation:

Forensic science is an interesting branch of science that involves the use of scientific procedures to solve a crime case. It encompasses collection of physical evidence from the crime scene and analyzing it in a laboratory using scientific means.

A forensic scientist is the individual in charge of performing these scientific procedures. His/her major role is to run the scientific analysis of the physical evidence brought in by the officers, however, he/she can also perform the task of training officers in how to properly collect evidence, in order not to damage the evidence or render it invalid for use.

8 0
3 years ago
A first order reaction has a rate constant of 0.543 at 25 c and 6.47 at 47
alukav5142 [94]

The activation energy Ea can be related to rate constant (k) at temperature (T) through the equation:

ln(k2/k1) = Ea/R[1/T1 - 1/T2]

where :

k1 is the rate constant at temperature T1

k2 is the rate constant at temperature T2

R = gas constant = 8.314 J/K-mol

Given data:

k1 = 0.543 s-1; T1 = 25 C = 25+273 = 298 K

k2 = 6.47 s-1; T = 47 C = 47+273 = 320 K

ln(6.47/0.543) = Ea/8.314 [1/298 - 1/320]

2.478 = 2.774 *10^-5 Ea

Ea = 0.8934*10^5 J = 89.3 kJ

5 0
3 years ago
What physical property of mercury makes it well suited for use in a thermometer?
MArishka [77]

Answer:

because mercury has low melting point

Explanation:

7 0
2 years ago
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According to cell theory, how are bubble algae, or sea pearls, made?
Nat2105 [25]

Answer: Bubble algae are caused by lighting, nutrients and bubble algae spores. The spores were probably on the live rock. The lighting is a side effect of trying to keep photosynthetic corals.

Explanation:

8 0
3 years ago
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