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3 years ago

How does a solar eclipse effect earths temperature

Chemistry

2 answers:

max2010maxim [7]3 years ago

8 0

Because the sub gives us heat when the moon blocks it it also blocks the path of heat

wariber [46]3 years ago

4 0

When the moon blocks out the sun, the warmth of the sun is penetrating the moon which is in it's tunnel vision rather than earth. The temperature slowly decreases as the sun's warmth is focusing on the moons path. Usually the temperature change isn't big enough to harm earth life, but organisms can sense these changes.

- Hennessey

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Which molecule is nonpolar? (1) H2O (3) CO (2) NH3 (4) CO2

bija089 [108]

The molecule that is nonpolar is CO2

6 0

3 years ago

Read 2 more answers

Indicate which element of the following pairs has the greater electronegativity

marta [7]

Answer:

sodium,silicon

Explanation:

sodium=11

siicon=14

5 0

2 years ago

You are given a cube of lead that is 1.000 cm on each side. The density of lead is 11.35. How many atoms of lead are in the samp

aliya0001 [1]

11.35 g atoms of lead are in the sample.

What does density mean?

The density of an area refers to the quantity of things—which may include people, animals, plants, or objects—there are in it.
Divide the number of objects by the area's measurement to determine density.
A country's population density is calculated by dividing its total population by its area, expressed in square kilometers or miles.

We can calculate the volume of the cube by cubing the side of the cube.

Volume of cube = ( 1.000 cm)³

= 1.000 cm³

We can now determine the amount of lead in the cube by multiplying by the density. Because we know we have a 1.000 cubic centimeter and that lead has a density of 11.35 grams per cubic centimeter, we have 11.35 grams of lead.

= ( 1.000 cm³) ( 11.35 $\frac{g}{cm^{3} }$ )

= 11.35 g

Learn more about density

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3 0

1 year ago

What is the molar concentration of 35 mL of H2SO4 that neutralizes 25 mL of 0.320M NaOH

stira [4]

V ( H2SO4) = 35 mL / 1000 => 0.035 L

M ( H2SO4) = ?

V ( NaOH ) = 25 mL / 1000 => 0.025 L

M ( NaOH ) = 0.320 M

number of moles NaOH:

n = M x V

n = 0.025 x 0.320 => 0.008 moles of NaOH

Mole ratio:

2 NaOH + H2SO4 = Na2SO4 + 2 H2O

2 moles NaOH ---------------------- 1 mole H2SO4
0.008 moles moles NaOH ---------- ??

0.008 x 1 / 2 => 0.004 moles of H2SO4 :

Therefore:

M ( H2SO4) = n / V

M = 0.004 / 0.035

= 0.114 M

hope this helps!

6 0

3 years ago

What is the formula of the compound formed between the potassium ion and the sulfide ion?

KIM [24]

The formula for K+ and S-2 is K2S because you need 2 potassium ions to balance out the sulfide ion

4 0

3 years ago