Which of the following are transferred or shared when two atoms react chemically? *

Answers

Answer 1

Answer:

Answer:

One of the basic principles of chemistry is the electrostatic attraction between atoms or compounds. Electrons are on the outside of an atoms and that's where the charges come from and the interaction between those charges is what happens during a chemical bond. Therefore the answer would be electrons.

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Several objects were dropped from a balcony. Using the data below, determine which statements must be true regarding the rate of force of each falling object. Neglect (ignore) air resistance.Object

Mass

Diameter

Height of drop

Tennis Ball

0.06 kg

6.6 cm

5 m

Baseball

0.15 kg

74 cm

5 m

Bowling Ball

5 kg

21 cm

5 m

Golf Ball

0.04 kg

4.3 cm

5 m

Statement 1: All balls hit the ground at the same time

Statement 2: All balls hit the ground with different forces

Statement 3: The bowling ball hit the ground first and the tennis and golf ball hit the ground last

Statement 4: It is not possible to tell how much force each ball hit the ground with

Answers

Answer:

statement 2

Explanation:

All hit at the same time

Which of the following is a good rule of thumb for long drives

Answers

Answer:c is the answer every 2 hours A is just plain no B four hours is too long and D is a no you need to rest

Explanation:

Answer:

Explanation:

In which of these situations, is mechanical energy being conserved? (Neglect, air resistance, friction and breaking) Check all that apply.Child on a swing

Pendulum

Bow and Arrow

Roller Coaster

Answers

Answer:

Neglecting, air resistance, friction and breaking, all the condition has conservation of mechanical energy.

Explanation:

The law of conservation of mechanical energy suggests that the mechanical energy in a locked system with out any destructive forces like friction or air resistance remains always the same (constant).
The energy may be converted between kinetic energy, potential energy, gravitational potential but energy do not get decreased in any cases as mentioned in the option.
So all the cases mentioned above shows the conservation pattern of mechanical energy.

Why are frying pans usually made out of metal?

Answers

We need heat to cook food. So, frying pans need to be a good conductor of heat. Since, metals are good (best) conductor of heat, frying pans are made out of metals.

Frying pans see usually made out of metal because metal is a great conductor of heat. The food can then cook faster. Why is metal a good conductor? it is because the molecules are tightly packed together, allowing the heat to travel through quickly

What does balanced and unbalanced forces have to do with newtons laws of motion

Answers

Newton's second law of motion involves the effect of force acting on a mass.
It has to be understood that this actually means the combination of any and
all individual forces acting on it, with their individual strengths and directions
all added together.

When all the individual forces acting on an object add up to zero, then the
whole group of forces is said to be 'balanced'.

When all the individual forces acting on an object don't add up to zero, then
the whole group of forces is said to be 'unbalanced'.

Notice that there's no such thing as 'a balanced force' or 'an unbalanced force'.
It's a group of two or more forces that's balanced or unbalanced.

The specific heat capacity of a substance is the amount of energy associated with doing which of the following to 1kg of the substance?

Answers

Answer:

Raising its temperature by $1^(\circ)C$

Explanation:

The specific heat capacity of a substance is defined as the amount of energy needed to raise the temperature of 1 kg of a substance by $1^(\circ)C$ .

The specific heat capacity of a substance essentially tells us how much energy is needed to heat the substance: the larger it is, the more energy is needed. The amount of energy needed to increase the temperature of a substance is given by

$Q=mC_s \DeltaT$

where

m is the mass of the substance

Cs is the specific heat capacity

$\Delta T$ is the temperature variation of the substance

Answer:

Raising its temperature by 1 C

Explanation:

A P E X

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