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My name is Ann [436]
3 years ago
15

Aqueous carbonic acid H2CL3decomposes into carbon dioxide gas and liquid water . Write a balanced chemical equation for this rea

ction.
Chemistry
2 answers:
den301095 [7]3 years ago
7 0
H2co3 ___> CO2 + H2o
quester [9]3 years ago
7 0

Answer:

H2CO3(aq) ⇆ H2O(l) + CO2(g)

Explanation:

Step 1: Data given

Aqueous carbonic acid = H2CO3

H2CO3 decomposes into CO2 and H2O

Step 2: Balancing the equation

H2CO3(aq) ⇆ H2O(l) + CO2(g)

We do not have to change anything in this reaction since it's already balanced.

We have 2x H on both sides ( 2x in H2CO3 and 2x in H2O)

We have 1x C on both sides (1x in H2CO3 and 1x in CO2)

We have 3x O on both sides (3x in H2CO3 and 1x in H2O, 2x in CO2)

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You are given 100 g of a compound. The compound is composed of 37% hydrogen and 63% oxygen. How many grams oxygen are present in
USPshnik [31]

mass_{oxygen} = \%mass_{oxygen} \times mass_{compound} \\ m = 63\%(100) \\ m = 0.63(100) \\ m = 63 \: grams

<h2>Option d</h2>
7 0
1 year ago
Plz answer all 3, I will give 5 stars and brainiest!!! :)<br><br> THANKS
Cerrena [4.2K]

Answer:

B. Positive charge is caused by lack of electrons. A positive ion is formed by the loss of negatively charged electrons. Although the number of protons does not change in the ion, there is an excess number of protons over electrons which produces the positive charge. All electrons in the outer energy level are lost.

C. If there are more electrons than protons, then the element is a negative ion. The amount of neutrons does not play a factor into making a difference between an atom or an ion.

Explanation:

please give brainliest. :)

and have a great day!

5 0
3 years ago
If the density of an ideal gas at stp if found to be 0.0902 g/l, what is its molar mass?
lisabon 2012 [21]
P=0.0902 g/l
v=22.4 l/mol   (stp)

M=vp

M=22.4 l/mol * 0.0902 g/l=2.020 g/mol

M=2.020 g/mol
4 0
3 years ago
Read 2 more answers
Identify three reasons why
BARSIC [14]
The radioactive decay of unstable isotopes continually generates new energy within Earth's crust and mantle, providing the primary source of the heat that drives mantle convection. Plate tectonics can be viewed as the surface expression of mantle convection.
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2 years ago
Vegetarian diets can provide high levels of antioxidants and a lipid profile that can help prevent coronary disease. However, th
Sati [7]

Answer: the best statement is 1 (Vitamin B12 (cobolamin) is missing from the vegan diet and very low in the lactovegetarian diet.)

Explanation:

Vitamin B12( cobalamin) is a water soluble vitamin that is essential in the formation of red blood cells. It also serves as a coenzyme in the metabolic reaction of the body. Such reaction includes:

- the remethylation of methionine from homocysteine which is catalyzed by methionine synthase and requires methylcobalamin.

The deficiency of vitamin B12 can lead to the following:

- elevated homocysteine ,

- an increase in methylmalonate

This is due to deficiencies in methionine synthase and methylmalonic acid mutase, respectively in individuals on vegan diet for several years.

Vegans are vegetarians that don't include diary or animal products in their meals. This predisposes them to lack of Vitamin B12. Dairy products provide some vitamin B12 in the lactovegetarian diet. Therefore statement 1 is the correct answer, thanks.

7 0
3 years ago
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