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3 years ago

What is the name of the movement of the Earth around the Sun as pointed out by letter J.

Chemistry

1 answer:

MAVERICK [17]3 years ago

3 0

it is called the Earth's rotation

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Plutonium-240 decays according to the function \[Q(t)=Q _{o}e ^{-kt}\] where Q represents the quantity remaining after t years a

marishachu [46]

To answer the question above, substitute the given values to the given equation,
Q(t) = Q x e^-kt

12 grams = (36 grams) x e^(-0.00011)(t)

Solving for t gives t = 9,987.38 years or approximately equal to 9,990 years. Thus, the answer is letter C.

4 0

3 years ago

Read 2 more answers

Substances that are likely to disassociate in water

mr_godi [17]

Answer:

sugar,dirt,spit

Explanation:

5 0

3 years ago

Ayuda es urgente!! el tronco de madera y las cenizas pesan lo mismo ?

skad [1K]

Answer:

Spanish

Explanation:

help is urgent the log of wood and the same

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3 years ago

What is the total mass of Hydrogen in each of the molecules?

frutty [35]

Explanation:

a) In 1 mole of methane there are 4 moles of hydrogen atom

Atomic mass of 1 mole of hydrogen atom = 1 g

Mass of hydrogen in 1 mole of methane = 4 × 1 g = 4 g

b) In 1 mole of chloroform there are 1 mole of hydrogen atom

Atomic mass of 1 mole of hydrogen atom = 1 g

Mass of hydrogen in 1 mole of methane = 1× 1 g = 1 g

c) In 1 mole of $C_{12}H_{10}O_{16}$ there are 10 moles of hydrogen atom

Atomic mass of 1 mole of hydrogen atom = 1 g

Mass of hydrogen in 1 mole of $C_{12}H_{10}O_{16}$ = 10 × 1 g = 10 g

d)In 1 mole of $CH_3CH_2CH_2CH_2CH_3$ there are 12 moles of hydrogen atom.

$CH_3CH_2CH_2CH_2CH_3=C_5H_{12}$

Atomic mass of 1 mole of hydrogen atom = 1 g

Mass of hydrogen in 1 mole of $CH_3CH_2CH_2CH_2CH_3$ = 12 × 1 g = 12 g

3 0

3 years ago

What is the term for a type of reaction in which an acid and a base react to produce a salt and water?

WINSTONCH [101]

Neutralization
is the probable answer, which I don't know how to explain, but I know that's the answer because I learned about it a few years ago and I'm pretty smart. =]

5 0

3 years ago