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satela [25.4K]
3 years ago
7

What's the most common blood type?

Chemistry
2 answers:
sergejj [24]3 years ago
5 0

Answer:

0-positive

Explanation:

storchak [24]3 years ago
4 0
The most common blood type is type-o
Explanation:

Type O is the most demanded blood type in hospitals, both because it’s the most common and because O-negative blood is a universal donor type, meaning it is compatible with any blood type.
hope this helps :p
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2. Write the chemical equations for the neutralization reactions that occurred when HCL and NaOH were added to the buffer soluti
lutik1710 [3]

Answer:

HCI(aq)+CH3COONa(s) ----> CH3COOH(aq)+NaCl(s)

NaOH(aq)+CH3COOH(aq) ----> CH3COONa(s)+H2O(l)

Explanation:

A buffer is a solution that resists changes in acidity or alkalinity. A buffer is able to neutralize a little amount of acid or base thereby maintaining the pH of the system at a steady value.

A buffer may be an aqueous solution of a weak acid and its conjugate base or a weak base and its conjugate acid.

The equations for the neutralizations that occurred upon addition of HCl or NaOH are;

HCI(aq)+CH3COONa(s) ----> CH3COOH(aq)+NaCl(s)

NaOH(aq)+CH3COOH(aq) ----> CH3COONa(s)+H2O(l)

5 0
2 years ago
If a bar magnet's neutral region is broken into two, what will most likely occur? A. Neither segment will have a north or south
grigory [225]
The answer is D I JUST TOOKM THE TEST
8 0
2 years ago
Read 2 more answers
(?)Li2O + (?)H2O → (?)LiOH
pav-90 [236]

Answer:

Li2O+H2O---->(2)LiOH

Explanation:

you have to balance the equation and not all the blanks have to be filled all the time but if it makes it easier for you in the first 2 question marks you can put a 1 which isnt necessary but if ur a visual person it will help.

hope this helps im litterally learning the same thing as u lol

6 0
3 years ago
Identify the phase changes in the figure that are labeled a
BigorU [14]
Isndidndjncidbdjbfidhjdbidhxidhfidhjfjxidjdidjdj
6 0
2 years ago
I need help with #2 and #4 please
Arte-miy333 [17]
For #4 is 298.48 hope it is correct
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3 years ago
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