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3 years ago

Why do some athletes use anabolic steroid and what are the side effects of using anabolic steroids

1 answer:

7 0

Some athletes use anabolic steroids in order to make their performance better, but the side effects are destroyed testicles, bad vision, bad sleeping habits, bald head.
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Click in the answer box to activate the palette. Use the half-reaction method to balance the following equation in acidic soluti

Rzqust [24]

Answer:

The balanced reaction in the acidic medium is:

$2MnO4^-+3CN^-+2H^+\rightarrow 2MnO_2+H_2O+3CNO^-$

Explanation:

$CN^- + MnO4^-\rightarrow CNO^- + MnO_2$

1) $CN^-\rightarrow CNO^-$ ( oxidation)

Balance oxygen by adding water :

$CN^-+H_2O\rightarrow CNO^-$

Now , balance hydrogen by adding hydrogen ions on the side where hydrogen are less.

$CN^-+H_2O\rightarrow CNO^-+2H^+$

Add electrons to balance charge where positive charge is more.

$CN^-+H_2O\rightarrow CNO^-+2H^++2e^-$ ..[1]

2) $MnO4^-\rightarrow MnO_2$ (reduction)

Balance oxygen by adding water :

$MnO4^-\rightarrow MnO_2+2H_2O$

Now , balance hydrogen by adding hydrogen ions by adding them on the side where hydrogen are less.

$MnO4^-+4H^+\rightarrow MnO_2+2H_2O$ ..[2]

Add electrons to balance charge where positive charge is more.

$MnO4^-+4H^++3e^-\rightarrow MnO_2+2H_2O$ ..[2]

3 × [1] + 2 × [2]

The balanced reaction in the acidic medium is:

$2MnO4^-+3CN^-+2H^+\rightarrow 2MnO_2+H_2O+3CNO^-$

5 0

3 years ago

What is most likely to happen when two fluorine

maria [59]

Answer:electrons will be equally attracted to both

Explanation:

e2020

6 0

3 years ago

Read 2 more answers

How many grams of H2O will be formed when 36.8 g H2 is mixed with 40.2 g O2 and allowed to completely react to form water

Artemon [7]

Answer:

45.225 grams of H₂O will be formed when 36.8 g H₂ is mixed with 40.2 g O₂

Explanation:

The balanced reaction is:

2 H₂ + O₂ → 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of each compound participate in the reaction:

H₂: 2 moles
O₂: 1 mole
H₂O: 2 moles

Being the molar mass of the compounds:

H₂: 2 g/mole
O₂: 32 g/mole
H₂O: 18 g/mole

then, by reaction stoichiometry, the following amounts of reactant and product mass participate:

H₂: 2 moles* 2 g/mole= 4 g
O₂: 1 mole* 32 g/mole= 32 g
H₂O: 2 moles* 18 g/mole= 36 g

The limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.

To determine the limiting reagent, it is possible to use the reaction stoichiometry of the reaction and a simple rule of three as follows: if by stoichiometry 4 g of H₂ react with 32 g of O₂, 36.8 g of H₂ with how much mass of O₂ will it react?

$mass of O_{2} =\frac{36.8 grams of H_{2}*32 grams of O_{2} }{4 grams of H_{2}}$

mass of O₂=294.4 grams

But 294.4 grams of O₂ are not available, 40.2 grams are available. Since you have less mass than you need to react with 36.8 grams of H₂, oxygen O₂ will be the limiting reagent.

Then you can apply the following rule of three: if by stoichiometry 32 grams of O₂ form 36 grams of H₂O, 40.2 grams of O₂ how much mass of H₂O will it form?

$mass of H_{2}O=\frac{40.2 grams of O_{2} *36 grams of H_{2}O }{32 grams of O_{2} }$

mass of H₂O= 45.225 grams

<u><em>45.225 grams of H₂O will be formed when 36.8 g H₂ is mixed with 40.2 g O₂</em></u>

8 0

3 years ago

Copper and silver are examples that will form what bond

Helen [10]

A metallic bond since both are pure metals but are not ionic

6 0

3 years ago

If phosphorous has 5 valence electrons, how many does sulfur have?

VARVARA [1.3K]

Answer:

Explanation:

The atomic number for phosphorous is 15, meaning that it has 15 electrons (and protons). The first and second shells would be filled up with 2 and 8 electrons respectively, leaving 5 which goes on the third shell, which is also the valence shell, meaning phosphorous has 5 valence electrons.

Since the atomic number of sulfur is 16, the first and second shells are also filled up with 2 and 8 electrons respectively, leaving 6 to be on the third shell, the valence shell. Hence, sulfur has 6 valence electrons.

5 0

2 years ago