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barxatty [35]
3 years ago
6

A ___________

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
6 0

Answer:

<u>Reaction??</u>

Explanation:

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What happens to the ancient calendar during the winter and summer solstices
iris [78.8K]

During the winter solstices, we experience the longest day and the shortest night while during the summer solstices the sun is at its highest point in the sky.

<h3>What is the Solsticest?</h3>

The Solstices is the season that occurs at the moment the earth's tilt toward or from the sun is at a maximum. There are two seasons of Solstices which include the following:

  • The winter solstices: This occurs when the sun is directly over the Tropic of Capricorn causing us to have the shortest day and longest night of the year.

  • The summer solstices: The sun is at its highest elevations.

Learn more about solstices here:

brainly.com/question/25859051

#SPJ1

5 0
2 years ago
Consider the equation for the formation of water. 2h2 o2 right arrow. 2h2o what is the theoretical yield of h2o if 130 g of h2o
Montano1993 [528]

The theoretical yield is the reaction yield that measures the product of the reaction from the conversion of the limiting reagent. The theoretical yield is 160 gm.

<h3>What is mass?</h3>

Mass or the theoretical yield is the result of the multiplication of mole and the molar mass of the compound.

The reaction between hydrogen and oxygen is shown as,

\rm 2H_{2} + O_{2} \rightarrow 2H_{2}O

Moles of water is calculated as:

\begin{aligned}\rm moles &= \rm \dfrac{mass}{molar\; mass}\\\\&= \dfrac{18}{2}\\\\&= 9\;\rm moles\end{aligned}

The theoretical yield of water is calculated as:

\begin{aligned}\rm \text{weight of water} &= \rm moles \times molar \; mass\\\\&= 9 \times 18\\\\&= 162 \;\rm gm\end{aligned}

Therefore, option D. 160 gm is the theoretical yield of water.

Learn more about theoretical yield here:

brainly.com/question/918691

5 0
2 years ago
How many molecules of o2 are there in 4.0 mol of o2?
Setler79 [48]
Each and every mole of any substance = Avogadro's Number of them
= 6.023 \times  {10}^{23}  \\ 4.0moles \: O2 \times  \frac{6.023 {10}^{23}molecules }{1mole}  \\  = 2.41 \times  {10}^{24}  \: molecules \: of \: O2
5 0
3 years ago
Polarity occurs in which type of bond?<br><br> covalent<br> ionic<br> metallic<br> negative
marysya [2.9K]
Covalent bonds is when polarity is formed
4 0
4 years ago
Read 2 more answers
Can you Find the quotient of 1/4 of 3
Romashka [77]

Answer: 1/12

1/4 divided by 3/1

KCF:Keep the first fraction, Change the sign to muplication, Flip the second fraction.

1/4* 31

1*1=1

4*3=12

1/12

7 0
4 years ago
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