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Chemistry

1 answer:

lesya [120]2 years ago

3 0

Answer:

2.The cooling effects of more indirect sunlight cause autumn and winter. Because of the Earth's approximately 23.5º tilt, the seasons in the Northern and Southern Hemispheres are reversed, about six months apart from each other.

3.In North America, around June 21, Earth tilts on its axis toward the Sun. That means that at the northern summer solstice, North America will experience summer, and winter will start in in the Southern Hemisphere. Winter Solstice. Around December 21, the Northern Hemisphere tilts the farthest away from the Sun.

Explanation:

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PLEASE ANSWER ASAP!!!!!!! 50 points if the answer is correct!

Ad libitum [116K]

mL acetic acid

mL water

Explanation:

Since

of the vinegar, by volume, is acetic acid, and we have

100

mL of vinegar, we have

mL of vinegar.

Similarly, we have

100

−

being water, so we have

mL of water.

8 0

2 years ago

Fe + Ph(NO3)2 ==> Pb + Fe(NO3)2

Ahat [919]

There seems to be a mistake. If u mistyped the 'h', then the reaction is single replacement.

5 0

3 years ago

Consider the following reaction at equilibrium: 2 NH3(g) ⇄ N2(g) + 3 H2(g) What does Le Chatelier's principle predict will happe

BabaBlast [244]

Answer : The equilibrium will shift in the left direction.

Explanation :

Le-Chatelier's principle : This principle states that if any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

The given reaction is:

$2NH_3(g)\rightleftharpoons N_2(g)+3H_2(g)$

As per question, when we are adding $N_2$ then the concentration of $N_2$ is increased on product side then the equilibrium will shift in the direction where decrease of concentration of $N_2$ takes place. Therefore, the equilibrium will shift in the left direction.