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pishuonlain [190]
4 years ago
14

When completing an experiment, results will be much more accurate if multiple trials are completed and the results averaged. TRU

E FALSE
Chemistry
2 answers:
Fiesta28 [93]4 years ago
8 0
False. Repeating an experiment doesn't make it more accurate. It merely validates your prior trials and shows they can be reproduced using your methods.
grandymaker [24]4 years ago
5 0
<span>When completing an experiment, results will be much more accurate if multiple trials are completed and the results averaged. True. That's because you may get different results each time. </span>
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Which enzyme of the citric acid cycle most closely resembles the pyruvate dehydrogenase complex in terms of its structure, organ
Furkat [3]

Answer:

The α-ketoglutarate dehydrogenase enzyme is structurally and functionally homologous to the pyruvate dehydrogenase complex.

hope it helps

7 0
3 years ago
What is the volume of a balloon containing 0.75 moles of gas at STP?
disa [49]

Answer:

V = 16.81 L

Explanation:

Given data:

Number of moles = 0.75 mol

Temperature = standard = 273 K

Pressure = 1 atm

Volume of balloon = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

Now we will rearrange the formula.

V = nRT/P

V = 0.75 mol ×0.0821 atm.L/mol.K ×273 K / 1 atm

V = 16.81 atm.L/ 1 atm

V = 16.81 L

6 0
3 years ago
Which one of the following compounds will NOT be soluble in water? Which one of the following compounds will NOT be soluble in w
Nadusha1986 [10]

Answer:

BaSO_{4} will be not soluble in water

Explanation:

LiOH is a strong base. Hence it gets completely dissociated in aqueous solution.

NaNO_{3} is a strong electrolyte. Hence it gets completely dissociated in aqueous solution.

MgCl_{2} is a strong electrolyte. Hence it gets completely dissociated in aqueous solution.

K_{2}S is a strong electrolyte. Hence it gets completely dissociated in aqueous solution.

BaSO_{4} is a sparingly soluble salt. Hence it is not dissociated and hence dissolved in water. This is due to the fact that both Ba^{2+} and SO_{4}^{2-} ions are similar in size. Hence crystal structure of BaSO_{4} is quite stable. Hence BaSO_{4} is reluctant to undergo any dissociation in aqueous solution.

5 0
3 years ago
In equation ?hsoln=?h1+?h2+?h3 which of the energy terms for dissolving an ionic solid would correspond to the lattice energy? c
BaLLatris [955]
The equation ΔHsoln = ΔH1+ΔH2+ΔH<span>3 means that either the solution is endothermic (</span>ΔH < 0, the resulting reaction is cold) or exothermic (ΔH>0, the resulting reaction is hot). The lattice energy can be solve through this equation,
<span>lattice energy = </span>ΔHsolvation - IMF - ΔHsoln<span>
</span>
6 0
3 years ago
What is the molarity of a solution containing 400g cuso4 in 4.00 l of solution
Murrr4er [49]
Calculation- 
400gCuSo4
----------------  ] faction 2.5 over 4 which EQUALS .625MCuSO4 in decimal form
           1
8 0
4 years ago
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