3 years ago

How does the sun light affect earths climate

1 answer:

4 0

Answer:

The Sun powers life on Earth; it helps keep the planet warm enough for us to survive. It also influences Earth’s climate: We know subtle changes in Earth’s orbit around the Sun are responsible for the comings and goings of the past ice ages. But the warming we’ve seen over the last few decades is too rapid to be linked to changes in Earth’s orbit, and too large to be caused by solar activity

Explanation:

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Juliette [100K]

I believe it’s Hydrogen

5 0

4 years ago

A student investigates the properties of an unknown liquid substance in a beaker. The student finds the substance has a mass of

shtirl [24]

Answer:

The substance is a mixture because it left a white powder in the beaker when boiled.

Explanation:

8 0

3 years ago

The atomic mass of seven atoms of antimony is ?

son4ous [18]

Answer:

Percent composition by element

Element Symbol Atomic Mass

Antimony Sb 121.760

Explanation:

6 0

3 years ago

What quantity in moles of HCl are there in 35.0 mL of 0.350 M HCl?

marta [7]

Answer:

0.0123 moles

Explanation:

Concentration = Moles / Volume of solution

or you can rearrange the formula to get

Moles = concentration (moles/liter) x volume of solution (liter)

First convert your volume to L instead of mL. 35mL = 0.035L

moles = 0.350 moles/liter x 0.035 liter (liters cancel out)

moles = 0.0123

5 0

3 years ago

How many moles are in 79.85g Fe2O3?

mamaluj [8]

<span>Find molar mass of Fe2O3 = 159.7 g/mol
Then: 79.85g/159.7 g/mol = 0.5 mol</span>

4 0

3 years ago

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