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Virty [35]
3 years ago
9

The specific heat capacity of concrete is 0.880 J/g °C

Chemistry
1 answer:
LenaWriter [7]3 years ago
3 0

Answer:

this is a required answer. look it once.

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How do you use chromatography to separate mixtures
MakcuM [25]

Answer:

by using a moving solvent on filter paper.

Explanation:

3 0
3 years ago
What lab equipment do you use to measure the density of gold and how to use it​
tigry1 [53]

Answer: Divide the mass of the object by its volume to yield the density of the object. For example, the object density = mass / (Vf – Vi). Compare the measured density to that of pure gold (19.3 g/cc) to determine whether the object is made of pure gold.

Explanation: I searched it

8 0
3 years ago
How many electrons does the nickel ion contain in the compound NiS?
Nostrana [21]

There are 26 electrons in the nickel ion in the compound NiS.

<h3>How many electrons does the nickel ion contain in the compound NiS?</h3>

The number of electrons in a neutral Nickel atom is obtained from the atomic number of Nickel.

The atomic number of Nickel is 28, therefore, the neutral nickel atom has 28 electrons.

In  the compound NiS, nickel atom loses two electrons to to form the nickel ion.

Number of electrons left = 28 - 2 = 26

Therefore, there are 26 electrons in the nickel ion in the compound NiS.

In conclusion, nickel atom loses two electrons to form nickel ion in NiS.

Learn more about electrons at: brainly.com/question/860094

#SPJ1

5 0
1 year ago
Can yall assist me with this lab? It is really screwing me up... No spam!! the only part that I need is the last page. I will ma
kenny6666 [7]

Answer:

What do you need help with?!

Explanation:

5 0
2 years ago
What is the total pressure (in atm) inside of a vessel containing N2 exerting a partial pressure of 0.256 atm, He exerting a par
Bezzdna [24]

Answer: Total pressure inside of a vessel is 0.908 atm

Explanation:

According to Dalton's law, the total pressure is the sum of individual partial pressures. exerted by each gas alone.

p_{total}=p_1+p_2+p_3

p_{N_2} = partial pressure of nitrogen = 0.256 atm

p_{He} = partial pressure of helium = 203 mm Hg = 0.267 atm  (760mmHg=1atm)

p_{H_2} = partial pressure of hydrogen =39.0 kPa = 0.385 atm  (1kPa=0.00987 atm)

Thus p_{total}=p_{H_2}+p_{He}+p_{H_2}

p_{total} =0.256atm+0.267atm+0.385atm =0.908atm

Thus total pressure (in atm) inside of a vessel is 0.908

8 0
3 years ago
Read 2 more answers
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