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Sonja [21]
3 years ago
10

Help me plzz I need help can someone help

Chemistry
1 answer:
ss7ja [257]3 years ago
3 0
D volcanic corruption
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Describe the pH changes expected if an acid is used to neutralize a base with pH 12
antoniya [11.8K]

By adding acid to a basic solution of pH 12, the overall solution becomes less basic and the Ph of solution decreases to a value of 7, which is known as the pH of a neutral solution, i.e neither basic nor acidic. This process is called neutralizing the base.

8 0
3 years ago
Four most common oxyanions of Iodine
nikitadnepr [17]
HIO= Hypoiodous acid; IO-=Hypoiodite
HIO2= Iodous acid; IO2= iodite
HIO3=Iodic acid; IO3-= iodate
HIO4=Periodic acid; IO4-=Periodate
8 0
3 years ago
Read 2 more answers
Please help! Ionic and covalent compound.
mrs_skeptik [129]
21) Ionic
22) Ionic
23) Covalent
24) Ionic ?
25) Ionic
26) Ionic
27) Ionic ?
28) Covalent
29) Ionic ?
30) Covalent
31) Ionic ?
32) Ionic ?
33) Covalent
34) Ionic ?
35) Ionic ?
36) Covalent ?
37) Covalent
38) Ionic ?
39) Ionic ?
40) Covalent

These answers are based on if there was a nonmetal and nonmetal it’s Covalent and if there was a metal and nonmetal it was Ionic I didn’t use the electro negativity for the answers that has more than two elements, if the answers had more than two elements they have a ? Next to their answer.

I HOPE THIS HELPS AND IF IM WRONG FEEL FREE TO COMMENT AND TELL ME SO
3 0
2 years ago
To determine the concentration of an EDTA solution, 4.11 g of Zn metal was used. The volume of EDTA solution needed to reach the
USPshnik [31]

Answer:

2.23M

Explanation:

Molarity of a solution is calculated thus

Molarity = number of moles (n) ÷ volume (V)

According to this question, 4.11g of Zn metal was used in order to reach a volume of EDTA solution of 28.26 mL.

28.26mL = 28.26/1000

= 0.02826L

Using mole = mass/molar mass to calculate no. of moles of Zn

Mole = 4.11/65.4

mole = 0.0628mol

Molarity = 0.0628 ÷ 0.02826

Molarity = 2.23M

The concentration of the EDTA solution used is 2.23M

7 0
3 years ago
Which of the following characteristics is the kinetic molecular theory based on? Matter does not have motion. All matter is in c
solmaris [256]

Answer:

All matter is in continual random motion.

Explanation:

Because Kinetic Molecular theory is based on a principle idea that tiny particles such as gas particles are always in motion.

4 0
3 years ago
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