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ikadub [295]
3 years ago
8

When a solution is very acidic, what does it have a high concentration of?

Chemistry
2 answers:
andreev551 [17]3 years ago
7 0

Answer:

uwb-mcps-tgf

Explanation:

uwb-mcps-tgf

laila [671]3 years ago
4 0

Answer: hen a solution is very acidic, what does it have a high concentration of?

Hydroxide (OH-)

Hydronium (H3O+)

Iodide (I-)

Acetate(C2H3O2-)

Explanation:

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The atomic radius of lithium is larger than the atomic radius of nitrogen.
Ulleksa [173]

Answer:

a. True

Explanation:

In the periodic table , all the elements are placed in a certain fashion , i.e. , with increasing atomic number.

Since ,

The element lithium and nitrogen are placed , in group 1 and 15 respectively.

as we go from left to right , across the group , the atomic radius decreases ,

Because ,

As , we go left to right , the number of electrons increases in the same shell , and proton too increases , which in turn increases the nuclear attraction , and the nucleus holds on to the electrons more firmly , and hence , the size reduces , as the electrons increases , in the same shell.

Hence, the given statement is true.

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3 years ago
The __________ is a thin fiber that carries signals away from the cell body.
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The axon is a thin fiber that carries signals away from the cell body.
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3 years ago
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In the following reaction, how many grams of lead(II) nitrate Pb(NO3)2 will produce 425 grams of sodium nitrate (NaNO3)? Pb(NO3)
KonstantinChe [14]
The answer is 828.03 grams.
8 0
4 years ago
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Be sure to answer all parts. Nitric oxide, NO·, is a radical thought to cause ozone destruction by a mechanism similar to that o
SIZIF [17.4K]

Answer:

See image attached and explanation

Explanation:

The stratospheric ozone layer is very important in absorbing high-energy ultraviolet radiation that is harmful to living systems on earth. The concentration of ozone in the stratosphere is determined by both thermal and photochemical pathways for its decomposition. Nitric oxide, NO, is a trace constituent in the stratosphere that reacts with ozone to form nitrogen dioxide, NO2, and the diatomic oxygen molecule. The nitrogen-oxygen bond in NO2 is relatively weak. When an NO2 molecule encounters an oxygen atom, it transfers an oxygen, forming O2 and NO. The chemical reactions involved are formations of NO2 following by reaction of NO2 with atomic oxygen for form NO and O2. The sum of both reactions show that the overall reaction is simply the reaction of ozone with atomic oxygen to form two molecules of molecular oxygen. Hence, NO only serves as a catalyst, it does not undergo a permanent change itself.

6 0
3 years ago
If 0.680 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced ? A) 0.680 kg B) 0.136 kg
Katen [24]

Answer:

D. 0.543kg of copper metal is produced from 0.680kg of copper 1 sulphide.

Explanation:

First write the equation for the reaction:

Cu2S + O2 ------> 2Cu + SO2

Determine the mole ratio of the two substances:

I mole of Cu2O forms 2 moles of Copper metal

The number of moles of copper 1 sulphide used is;

n = mass of Cu2S / molar mass of Cu2S

Mass = 0.680kg = 680g

Molar mass = 159.16g/mol

n = 680g / 159.16g/mol

n = 4.272moles

Determine the number of mole of copper:

Number of moles of copper metal produced from 4.272moles of copper 1 sulphide is therefore:

n of copper = 2 * 4.272 Moles

n = 8.544moles.

Determine the mass copper:

The mass of copper metal produced is therefore = number of moles of copper * molar mass of copper

mass = 8.544 moles * 63.55g/mol

mass = 542.97grams

Mass = 0.543kg

5 0
4 years ago
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