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2 years ago

What kind of exercise does not require the use of oxygen to metabolize energy? strength aerobic stretching anaerobic

Chemistry

1 answer:

MatroZZZ [7]2 years ago

7 0

Answer:

See Below

Explanation:

'an aerobic ' means it does not use oxygen

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In which state of matter does heat travel fastest and slowest?

MariettaO [177]

Answer:

Heat travels faster in solids.

Heat travels slower in gases.

Explanation:

5 0

3 years ago

What three letters were used to substitute the last 3 letters in Chlorine?

Alenkinab [10]

Answer:

Is it chloride? ide?

Explanation:

6 0

3 years ago

The concentration of Rn−222 in the basement of a house is 1.45 × 10−6 mol/L. Assume the air remains static and calculate the con

bonufazy [111]

<u>Answer:</u> The concentration of radon after the given time is $3.83\times 10^{-30}mol/L$

<u>Explanation:</u>

All the radioactive reactions follows first order kinetics.

The equation used to calculate half life for first order kinetics:

$t_{1/2}=\frac{0.693}{k}$

We are given:

$t_{1/2}=3.82days$

Putting values in above equation, we get:

$k=\frac{0.693}{3.82}=0.181days^{-1}$

Rate law expression for first order kinetics is given by the equation:

$k=\frac{2.303}{t}\log\frac{[A_o]}{[A]}$

where,

k = rate constant = $0.181days^{-1}$

t = time taken for decay process = 3.00 days

$[A_o]$ = initial amount of the reactant = $1.45\times 10^{-6}mol/L$

[A] = amount left after decay process = ?

Putting values in above equation, we get:

$0.181days^{-1}=\frac{2.303}{3.00days}\log\frac{1.45\times 10^{-6}}{[A]}$

$[A]=3.83\times 10^{-30}mol/L$

Hence, the concentration of radon after the given time is $3.83\times 10^{-30}mol/L$

7 0

3 years ago

STATION 1

grigory [225]

Answer:

B - (C , Al, P, Cl)

Explanation:

How I got this answer was by looking at my periodic table it shows you how much it contains by the Atomic number.

Atomic number on C (Carbon) is- 6

Atomic number on Al (Aluminum) is - 13

Atomic number on P (Phosphorus) is - 15

Atomic number on Cl (Chlorine) is - 17

Now it says least to greatest and the other options are wrong I did the work for you hope this helps :)) I also had this project you didnt ask but the answer for the The Lesson are {B E M S} which as the code numbers are gonna be -7494- Im glad to help if you need more help I will give you the other answers as well :) !

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3 years ago

Paano napaunlad ng mga Latin ang Rome at ano ang natulong ng mga Etruscan sa kanila?

Hitman42 [59]

Answer:

yesakskakakakakakkawbajajjakaak

7 0

3 years ago