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3 years ago

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How does peer review affect research

1 answer:

Alex17521 [72]3 years ago

3 0

<span>Peer review affect research in a good way. Though you have done research time and time again, it's always best to have a colleague or someone in that field to evaluate a peer review to make sure everything in the research is 100% correct. Now some experimental results won't be trusted unless there has been peer reviewed from the scientific community.</span>

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A ball was massed in a dish. The total mass was 15.6 grams. Treball was placed in a

iVinArrow [24]

Answer:

14.57g

Explanation:

Given parameters:

Mass of dish + ball = 15.6g

Initial volume of water in the cylinder = 26.7mL

Final volume of water in the cylinder = 38.9mL

Mass of dish = ?

Unknown

Mass of the ball = ?

Solution;

Since the mass of ball and dish is 15.6g,

Mass of the ball =Mass of ball + dish - mass of the dish

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Answer:

Energy is released as heat during the reaction.

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Calculate the energy (in kJ) required to heat 10.1 g of liquid water from 55 oC to 100 oC and change it to steam at 100 oC. The

Maksim231197 [3]

Answer:

$\large\boxed{\large\boxed{24.6kJ}}$

Explanation:

<u>1. Energy to heat the liquid water from 55ºC to 100ºC</u>

$Q=m\times C\times \Delta T$

m = 10.1g

C = 4.18g/JºC

ΔT = 100ºC - 55ºC = 45ºC

$Q=10.1g\times 4.18J/g\ºC\times 45\ºC=1,899.81J$

<u>2. Energy to change the liquid to steam at 100ºC</u>

$L=\lambda \times n$

λ = 40.6kJ/mol

n = 10.1g / 18.015g/mol = 0.5606mol

$L=40.6kJ/mol\times 0.5604mol=22.76214kJ=22,762.14J$

<u>3. Total energy</u>

$1,899.81J+22,762.14J=24,661.95J\approx24,662J\approx24.6kJ$

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<span>Sarcoplasmic reticulum</span>

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