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Leona [35]
3 years ago
6

What is one long-lasting climate change?

Chemistry
1 answer:
dimulka [17.4K]3 years ago
3 0

Answer:

Scientists have predicted that long-term effects of climate change will include a decrease in sea ice and an increase in permafrost thawing, an increase in heat waves and heavy precipitation, and decreased water resources in semi-arid regions

Explanation:

You might be interested in
When 412.5g of calcium carbonate react with 521.9g of aluminum fluoride,how many grams of each product can be produced
aliya0001 [1]
<h3><u>Answer;</u></h3>

321.8 g CaF2

321.5 g Al2(CO3)3

<h3><u>Explanation;</u></h3>

The equation for the reaction is;  

3 CaCO3 + 2 AlF3 → 3 CaF2 + Al2(CO3)3  

Number of moles of CaCO3 will be;

=(412.5 g CaCO3) / (100.0875 g CaCO3/mol)

= 4.12139 mol CaCO3  

Number of moles of AlF3 will be;

= (521.9 g AlF3) / ( 83.9767 g AlF3/mol)

= 6.21482 mol AlF3

But;

4.12139 moles of CaCO3 would react completely with 4.12139 x (2/3) = 2.74759 moles of AlF3.

Thus; there is more AlF3 present than that, so AlF3 is in excess, and CaCO3 is the limiting reactant.  

Therefore;

Mass of CaF2 will be;

(4.12139 mol CaCO3) x (3/3) x (78.0752 g CaF2/mol) = 321.8 g CaF2  

Mass of Al2(CO3)3 on the other hand will be;

(4.12139 mol CaCO3) x (1/3) x (233.9903 g Al2(CO3)3/mol) = 321.5 g Al2(CO3)3

3 0
4 years ago
Be sure to answer all parts. find the most acidic hydrogen in tert−butyl methyl ketone and write a chemical equation for the pro
sleet_krkn [62]
Those Hydrogen atoms which are present at alpha position to carbonyl group are mildly acidic in nature. When such acidic proton containing carbonyl compounds are treated with strong base, they yield enolates. The negative charge created on alpha carbon resonates and shifts to carbonyl oxygen resulting in formation of carbon double bond carbon.

In <span>tert−butyl methyl ketone there are two carbons at each alpha position. Among these two carbons only methyl carbon contains hydrogen atoms while the second one is bonded to further three carbons making it Quaternary carbon. The base abstracts proton from methyl group and enolate is formed. 

</span>tert−butyl methyl ketone in this case acts as acid, Hydroxyl ion acts as base, while the enolate generated is the conjugate base of <span>tert−butyl methyl ketone and Water produced is the conjugate acid of hydroxide ion.</span>

7 0
3 years ago
1. A solution has a volume of 2500 mL. How<br>many liters is this?<br>​
pentagon [3]

The volume of the given solution is 2.5 L.

<u>Explanation:</u>

Volume of the solution = 2500 mL

We have to convert it into litres as,

1000 mL = 1 litre

To convert ml into litres we have to divide the millilitres by 1000, so that it can be converted into L.

Here given volume is 2500 mL.

Volume in L = $\frac{2500}{1000}  

                   = 2.5 L

So the volume of the solution is 2.5 L.

4 0
3 years ago
Write and solve an equation ​
Nikitich [7]

all i know is that the formula for triangles is base times hight divided by two, so add in a number to replace the missing number, multiply it by 55 and divide the answer by two. hope this helps and i really hope you get it right! or that im right...

8 0
3 years ago
Sarah wants to know where in her garden chamomile would grow the best. She thinks chamomile will grow best in the corner of the
Crazy boy [7]

Answer:

This question is incomplete and lacks options, the complete part and the options are:

Which of the following variables should Sarah change from one group of chamomile to the next?

A. the location of the plants

B. the height of the plants

C. the type of plants

D. the amount of water she gives the plants

The answer is A

Explanation:

This question is asking for the INDEPENDENT VARIABLE in the experiment. The independent variable of an experiment is the variable that is changed or manipulated by the experimenter in order to bring about a response.

In this experiment where Sarah wants to know where in her garden chamomile plants would grow the best. She hypothesizes that chamomile will grow best in the corner of the garden that gets the most sunlight. However, to test this hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. The variable that Sarah can change in the several groups of chamomile (independent variable) is the LOCATION OF THE PLANTS.

Note that, "where" is a question of location.

5 0
3 years ago
Read 2 more answers
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