How do I use the equation E=MC^2 in relation to atoms to find the amount of energy of a reaction?

Answers

Answer 1
Answer: -- Find the mass of all the pieces before the reaction.

-- Find the mass of all the pieces after the reaction.

-- Find the difference . . . (mass before) minus (mass after)

-- If any mass is missing, either you lost track of it, or else
it was converted to energy.

How much energy ?

(the missing mass) times c² .

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A 3-ohm resistor and a 6-ohm resistor areconnected in parallel across a 9-volt battery.Which statement best compares the potentialdifference across each resistor?(1) The potential difference across the 6-ohmresistor is the same as the potentialdifference across the 3-ohm resistor.(2) The potential difference across the 6-ohmresistor is twice as great as the potentialdifference across the 3-ohm resistor.(3) The potential difference across the 6-ohmresistor is half as great as the potentialdifference across the 3-ohm resistor.(4) The potential difference across the 6-ohmresistor is four times as great as the potentialdifference across the 3-ohm resistor.
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As an object increases in altitude, its mass: Decreases
OR remains the same

Answers

Answer:

Remains same

Explanation:

Mass of an object is measure of the matter it contains. It is independent of height. Commonly when we weigh something we measure its weight and not mass. Weight is a product of mass (m) and acceleration due to gravity (g).

As altitude changes, the amount of matter doesn't change thus the mass will remain constant. But due to the change in height the gravitational force will change and thus weight will vary.

No matter where you are, your mass stays the same. It's weight that changes. Also applies to any object.

Some types of storage tanks are exempt from the federal regulations on USTs, including A) tanks that store heating oil burned on the premises.
B) tanks that hold less than 200 gallons.
C) farm and residential tanks that hold 2,000 gallons or less of motor fuel used for noncommercial purposes.
D) all of these.

Answers

Some types of storage tanks are exempt from the federal regulations on USTs, including: A) tanks that store heating oil burned on the premises.

What are Underground Storage Tank Systems?

Underground Storage Tank systems are tanks along with the underground piping that has at least 10% of their total volume underground.

Some of the storage tanks that are exempt from the federal regulations on USTs are;

  • Farm and residential tanks of 1,100 gallons or less capacity holding motor fuel used for noncommercial purposes.
  • Tanks storing heating oil used on the premises where it is stored.
  • Tanks of 110 gallons or less capacity.

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Final answer:

The federal UST regulations typically do not cover tanks that store heating oil used on site, tanks that hold less than 200 gallons, and farm and residential tanks that hold 2,000 gallons or less of motor fuel for noncommercial uses.

Explanation:

The question pertains to certain types of storage tanks that are exempt from federal regulations called USTs (Underground Storage Tanks). These tanks are used to store regulated substances, typically petroleum and hazardous substance. However, not all tanks fall under these regulations. For instance, tanks that store heating oil used on the premises where it is stored, tanks that hold less than 200 gallons, and farm and residential tanks that hold 2,000 gallons or less of motor fuel for noncommercial uses, are not governed by these federal UST regulations. Hence, the correct answer is D) all of these.

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Which of these qualities most likely helped Ptolemy construct the scientific explanation of the solar system? originality and creativity
generosity and helpfulness
consideration and compassion
kind-heartedness and flexibility

Answers

Scientific models or explanations are a way of interpreting and analyzing huge amounts of data. Scientists must be able to find patterns in this data, and this requires originality and creativity (this is the correct answer), as they need to look at the data through different metaphorical lenses.

Answer:

originality and creativity

Explanation:

If a 100-N net force acts on a 50-kg car, what will the accelaration of the car be?

Answers

2m/s^2   how to get it: since you already know the force and mass and the formula for force is force=(mass)(acceleration) you isolate the variable of acceleration which is a by dividing (m)(a) by (m) which equals f/m=a then you plug in your known numbers where they go so f=100N m=50kg   100N/50kg= 2 therefore the acceleration is 2m/s^2  hope this helped you!!!

What is the mass of a falling rock if it produces a force of 147 n?
F=
M=
A=

Answers

F=147N;

Acceleration=9.8m/s2;

Mass=15kg

When Ava first opened her beverage, there were lots of bubbles. However, as her drink got warmer, she noticed that there were fewer bubbles in it. In general, as the temperature increases, the solubility of solids _______ while the solubility of gases _______. 1) increases, decreases 2) increases, increases 3) decreases, decreases 4) decreases, increases

Answers

In general, as the temperature increases, the solubility of solids increases, while the solubility of gases decreases. Therefore, the correct answer is 1) increases, decreases.

Final answer:

Generally, as temperature rises, solid solubility increases while gas solubility decreases. This is why when a carbonated drink gets warm, it has less bubbles.

Explanation:

Generally, as the temperature increases, the solubility of solids typically increases, while the solubility of gases usually decreases. Thus, for Ava's case with the beverage, as the drink got warmer (indicating an increase in temperature), the bubbles, which are gaseous, decreased. A real-life example of this is a carbonated drink. When you open a cold soda, it starts out very bubbly.

However, if you let it sit and warm up, the gas (carbon dioxide) becomes less soluble in the liquid and leaves the solution, resulting in fewer bubbles.

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