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Oliga [24]
3 years ago
12

How do particles move?

Chemistry
2 answers:
AfilCa [17]3 years ago
7 0
Particles in solids are always vibrating (moving back and forth) in place. The vibrational motion of particles in solids is kinetic energy. Heat makes the particles in a solid vibrate faster, giving them more kinetic energy. ... When a sample of solid, liquid, or gas matter heats up, it expands.
earnstyle [38]3 years ago
5 0
Gas vibrate and move freely at high speeds.Liquids vibrate ,move about,and slide past each other.Solids vibrate (jiggle) but generally do not move from place to place
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Identify the tropical zones and the temperate zones.
Thepotemich [5.8K]

Answer:

The climate region near the equator with warm air masses is known as tropical. In the tropical zone, the average temperature in the coldest month is 18 °C. ... The climate zone known as temperate is located between the equator and the North and South poles.

5 0
3 years ago
Which of the following best represents accuracy but not precision?
slavikrds [6]

Answer:

D

Explanation:

Measurements that are close to a standard measured value is accurate. But when measured values are close to each other they are precise. For example, if one measures the weight of 1 kg of rice as 945 g and another person measure it as 955 g, then the second person’s ,measurement is more accurate. Now if the first person measured the same bag of rice thrice and got values 945 g, 946 g and 947g whereas the second person got values 955g, 950 g and 940 g, in such a case the first person’s measured value is more precise.

4 0
3 years ago
Read 2 more answers
The Kp for the reaction below is 1.49 × 108 at 100.0°C:
kicyunya [14]
The rate constants, K, can be expressed in many different terms. In this case, Kp is the equilibrium constant expressed in terms of gas partial pressure. The formula for this is:
Kp = [P(product C) × P(product D)] / [P(reactant A) × P(reactant B)]
As there is only one product, we will use only its pressure in the numerator. 
Kp = [P(COCl2)] / [P(CO) × P(Cl2)]
P(COCl2) = 1.49 × 10⁸ × 2.22 × 10⁻⁴ × 2.22 × 10⁻⁴
P(COCl2) = 7.34 atm
6 0
3 years ago
For which δg°rxn = –30.5 kj/mol at 37.0 °c and ph 7.0. calculate the value of δgrxn in a biological cell in which [atp] = 5.0 mm
mario62 [17]
We are given ΔG°rxn = -30.5 kJ/mol for the following reaction:

ATP + H₂O → ADP + HPO₄²⁻

We are given a series of concentrations for each of the species and are asked to find the value of ΔG for the reaction. We can use the following formula:

ΔGrxn = ΔG°rxn + RTlnQ

We can use R = 0.008314 kJ/molK; T = 335.15 K and Q is the reaction quotient which can be found as follows, and be sure to first convert each concentration of mM to M:

Q = [ADP][HPO₄²⁻]/[ATP]
Q= [0.00010][0.005]/[0.005]
Q = 0.0001

Now we can use the above formula to solve for ΔGrxn.

ΔGrxn = -30.5 kJ/mol + (0.008314)(310.15)ln(0.00010)
ΔGrxn = -54.3 kJ/mol

The value of ΔGrxn = -54.3 kJ/mol.
6 0
3 years ago
The smallest particle of an element that retains the properties of that element is a(n)
alekssr [168]

Answer: atom

Explanation:

It makes the most sense to me anyways seeing that an atom contains protons electrons and neutrons in it already

4 0
3 years ago
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