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kirill [66]
4 years ago
11

Write a hypothesis for this: Eating Breakfast increases performance in school

Chemistry
2 answers:
marishachu [46]4 years ago
8 0
If he eats breakfast, then he will have an increased school performance.
Gelneren [198K]4 years ago
7 0

Answer:

If someone were to eat breakfast before going to school, they would have an increased work performance while in school.

Explanation:

P.S. Brainliest is cool, you should totally hand one over.

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Airida [17]
According to Grahams law the rate of effusion of a gas is inversely proportional to the square root of it's molecular weight. The rate of diffusion is the measure of rate at which two gases mix. From this law we can say that for the two gases carbon monoxide and carbon dioxide, the rate of effusion of carbon monoxide is greater than that of carbon dioxide, this is because carbon monoxide is lighter (28 g) compared to carbon dioxide (44 g). 
7 0
3 years ago
A student who is performing this experiment pours an 8.50 mL sample of the saturated borax solution into a 10 mL graduated cylin
belka [17]

Answer:

Ksp = 0.1762

Explanation:

Applying

a) moles of HCl added, n= CV=0.5×0.012 = 6×10-3mol

b) since 0.006mol is present in 0.012dm3 of HCl

It implies moles of borax

C) Concentration = 0.706M

Ksp = [0.5]^2[0.706]= 0.176

6 0
3 years ago
"identify the part of the atom that most determines the chemical reactivity of the atom"
jeka94
Mostly the electrons will determine the reactivity
8 0
3 years ago
Tellurium is a period 5 chalcogen. Selenium is a period 4 chalcogen. If the only factor affecting ionization energies was the nu
notsponge [240]

Answer:

yes

Explanation: took quiz

4 0
3 years ago
Name the 3 largest countries in the Middle East
avanturin [10]

ANSWER:

1. Egypt

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