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Setler79 [48]
3 years ago
12

Which statement best compares potential and kinetic energy?

Chemistry
2 answers:
Lera25 [3.4K]3 years ago
7 0

Answer:

The statement which best compares potential and kinetic energy is below:

Explanation:

Objects always have more kinetic energy than potential energy

iVinArrow [24]3 years ago
7 0

Answer:

d

Explanation:

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Calculate the number of moles in 2.67 g of carbon trihydride
Scorpion4ik [409]

Answer:0.178 moles

Explanation: carbon trihydride seems to be an unusual name for the methyl group CH3–

ionic wt 15

moles = 2.67/15 = 0.178

8 0
3 years ago
Classify the following changes as physical or chemical changes. a. Water boils. b. Salt dissolves in water c. Milk turns sour d.
geniusboy [140]

Answer:

Water boils - physical change

Salt dissolves in water- chemical change

Milk turns sour- chemical change

metal rusts - chemical change

Explanation:

A chemical change refers to changes that are irreversible and the process involves the evolution of heat along with the formation of a new substance, examples include;Salt dissolves in water, Milk turns sour, metal rusts etc

The boiling of water is a physical change. The water can be cooled and the vapour condensed,hence, the boiling of water is a physical change.

Physical changes are easily reversible and no new substance is formed.

6 0
3 years ago
Which property of water causes water drops to bead on a freshly waxed car?
astraxan [27]

Answer:

Cohesive forces are greater than adhesive forces  

Step-by-step explanation:

The attractive forces between water molecules and the wax on a freshly-waxed car (adhesive forces) are quite weak.

However, there are strong attractive forces (cohesive forces) between water molecules.

The water molecules are only weakly attracted to the wax, so the cohesive forces pull the water molecules together to form beads .

3 0
3 years ago
Define adhesion and give an example?
bulgar [2K]

Similar to Cohesion, adhesion is the attraction between molecules of different substances . Water uses adhesion when it's attraction to another substance is greater than the water's attraction to itself. if you have ever dropped a cup of water on a hardwood floor,you know that it spreads out instead of foaming beads.

3 0
2 years ago
Someone please help me
ehidna [41]
I hop this will help u

8 0
3 years ago
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