The National Grid supplied a house with 18,000,000 J of energy in 1 hour. What was the average current supplied to the house during that hour?

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Answer 1

Answer:

I got 0.0126, but it feels wrong.

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Elaborate on the reason(s) that matter is said to move even as in a solid state.A) The particles are bound through intermolecular forces but are able to move past each other with relative freedom. B) The particles have sufficient energy to become an ionized gas and are in the most common state of matter in the universe. C) The particles are not able to move out of their positions relative to one another, but do have small vibrational movements. D) The particles are not bound to one another, move quickly, have a low density, and are able to spread apart from one another if unconstrained.Brad and Matt are working in the lab. They noticed that when they mixed two dilute solutions together, the reaction between them happened very slowly. Which of Matt's suggestions would BEST help to increase the rate of this reaction?A) increase the concentration of both solutions B) decrease the concentration of both solutions C) increase the concentration of one of the solutions D) decrease the concentration of one of the solutionsIdentify the correct order of increasing intermolecular force of attraction for the three most common states of matter.A) liquid → solid → gas B) solid → liquid → gas C) gas → liquid → solid D) gas → solid → liquid

A 2.0 kilogram mass is located 3.0 meters above the surface of earth. what is the magnitude of earth's gravitational field strenght at this location?

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Why do you think its important for givernment offcials to take an oath of ofice?

A car rolls down a hill from rest and reaches a velocity of 18.0 m/s in a distance of 25.0m. Find the acceleration of the cart.

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Answer:

I’m so sorry I tried solving it but I don’t understand it can you explain the question a little bit more ty

Explanation:

If a hypothesis states that children who consume a large quantity of sugar in the morning will perform more poorly in school than children who do not, then what will be the independent variable? A) children eating a healthy breakfast in the morning
B) children performing poorly in school
C) children performing well in school
D) children consuming a large quantity of sugar in the morning

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the answer is letter a

How do elements change as you move down a column in a periodic table? a.the atomic radius decreases b.the number of protons decreases c.the atomic mass decreases d.the electronegativity decreases

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Answer: Option (d) is the correct answer.

Explanation:

Electronegativity is defined as the ability of an atom to gain electrons in order to become stable.

When we move downwards in a group then there will be increase in size of atom. As a result, atomic radius will also increase.

Also, due to increase in size number of electrons will increase and hence, number of protons will also increase. Therefore, atomic mass will also increase.

Thus, we can conclude that elements change as you move down a column in a periodic table as the electronegativity decreases.

As you move down a column :
* the atomic number increases
* the number of protims increases
* the atomic mass increases
* the electronegativity decreases

a bullet of mass 40 gm is fired from a gun of mass 8 kg with a velocity of 800 m/s, calculate the recoil velocity of gu