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meriva
3 years ago
14

Which action is an example of an organism maintaining homeostasis? Please answer ASAP

Chemistry
1 answer:
Paul [167]3 years ago
4 0

Answer:

An animal that is getting body heat.

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Most of an atom's volume is found:
Rus_ich [418]

Answer:

most of its mass is in the nucleus

Explanation:

the nucleus consists of protons and nutrons

8 0
3 years ago
Why H +ve acts as lewus acid? Why NH3 acts as bronsted-lowery base? Why BF3 acts as Lewis acid? Make it easy and simple.. ✨
Delvig [45]

Explanation:

Unlike the traditional definition of defining acid as any substance that can react with a base to form salt and water, there are two other definition of acid.

These are lewis acid and bronsted lowry acid.

Lewis acid is any substance that can accept a pair of non bonding electrons. This is why H+ is able to as a lewis acid.

Bronsted lowry definition on the other hand is as follows; A brosted lowry acid is any species that can donate a proton to another molecule. A bronsted lowry base is any specie that can accept a proton from another molecule. NH3 is able to accept a proton, hence it is termed as a bronsted lowry base.

BF3 act as a lewis acid because it can accept accept a pair of non bonding electrons. Generally; an atom, ion, or molecule with an incomplete octet of electrons can act as an Lewis acid.

5 0
3 years ago
What is the density of 2 mol of (He) at STP? (Show work and explain, please!!!)​
Svetradugi [14.3K]

Answer:

d = 1.8 × 10⁻⁴ kg/L

Explanation:

Given data:

Moles of helium = 2 mol

Temperature and pressure = standard

Density = ?

Solution:

PV = nRT

V = nRT/ P

V = 2 mol × 0.0821 atm. L/ mol. K × 273 K / 1 atm

V = 44.8 L

Mass of helium:

Mass = number of moles  × molar mass

Mass = 2 mol × 4 g/mol

Mass = 8 g

Mass = 0.008 kg

Density;

Density = mass/ volume

d = 0.008 kg/ 44.8 L

d = 1.8 × 10⁻⁴ kg/L

7 0
4 years ago
Intermolecular Forces and Physical Properties of Pure Substances
sergiy2304 [10]

Answer: b

Explanation: because b is the right one i just did it.

5 0
3 years ago
What happened to a balloon when it is put in freezer
e-lub [12.9K]

The frozen balloon shrank because the average kinetic energy of the gas molecules in a balloon decreases when the temperature decreases. This makes the molecules move more slowly and have less frequent and weaker collisions with the inside wall of the balloon, which causes the balloon to shrink a little.

5 0
3 years ago
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