# Homework answers and tutorials

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50092 results
• Waiting for answer How do you convert 6.59 kL to L?

You use a simple conversion factor. Before doing any calculations, take a look at the units you are dealing with. In your case, you need to kiloliters, kL , to liters, L . If yo...

• Waiting for answer What are electrons?

negatively charged particle ,having negligible mass, Present in the atom, outside the nucleus. Electron is a sub atomic particle . it is negatively charged and having negligible mass...

• Waiting for answer What is the formal charge for the Phosphate Ion?

Phosphoric acid, ##H_3PO_4##, can form phosphate salts, i.e. salts of ##PO_4^(3-)##. But in water, you would reach a stoichiometric endpoint at ##"biphosphate"##, i.e. ##HPO_4^(2-)##...

• Waiting for answer What was the Fronde? What were its causes and effects?

A series of civil wars in France lead by the aristocrats to rebel against Mazarin during the early reign of Louis XIV. The French aristocrats, lead by Gaston of Orleans, wants to con...

• Waiting for answer What is ##(2- 8) \times ( - 4- 6)##?

60 ##(2-8)times (-4-6)## ##(-6)times (-10)## ##60##

• Waiting for answer How do u find marginal revenue?

Marginal Revenue is the difference between present total revenue and the previous total revenue. It is an addition made to the total revenue. Marginal Revenue is the additional reve...

• Waiting for answer In how many ways can 4 people be seated in a row of 12 chair...

I broke the question down into 2 parts, then solved them and multiplied the answer to get 11,880 ways. We can solve this by breaking down the question into 2 smaller questions. The f...

• Waiting for answer How does weathering, erosion and deposition contribute to th...

these 3 are few of many processes which helps in rock formation to understand these processes and their contribution to rock cycle we have to study the whole cycle. I will explain in...

• Waiting for answer What substance is produced by the sudoriferous glands?

Sweat Sudoriferous glands (also known as sudoriparous glands) are exocrine glands that secrete sweat out of the body and onto the skin. Sweat consists of water, minerals and some fat...

• Waiting for answer How do you write ##1/169## as a negative exponent?

##169^-1## or ##13^-2## When working with exponents a negative exponent always results in a fraction, be it ##2^-2## or ##3^-123##. This is simply because a rule of exponents to keep...

• Waiting for answer Why are CFC's still harming the ozone layer if they are no l...

The ozone layer is a long way up. The ozone layer is in the Stratosphere. The lowest part of the ozone layer is 20 km up. Any CFCs released take about 10 years to get up there. So...

• Waiting for answer What does force mean?

A force is simply a push or a pull. More specifically, a force causes objects to accelerate according to Newton's 2nd law: ##sumF = m*a## F = Force (A Newton is the standard SI Unit) m = mass (A kg is the standard SI Unit) a = (A ##m/s^s## is the standard SI Unit) According to physicsclassroom...

• Waiting for answer How does a hurricane finally die down?

A hurricane dies down when it loses its energy source, which is usually warm water at the surface of the ocean. One of the driving forces of a hurricane is heat energy in oceanic sur...

• Waiting for answer The high temp today was 62°. When nighttime comes, the temp...

##=-18^@## ##62-40-40## ##=62-80## ##=-18^@##

• Waiting for answer What is instantaneous acceleration?

The derivative of velocity with respect to time. ##a=(dv)/dt## Imagine your your driving a car. As you accelerate you observe the needle of your speedometer moving smoothly from 0...

• Waiting for answer Dustin had five outstanding checks that totaled $117.54. Wha...$717.03 This is a serial subtraction/addition problem. You really START with the “ending balance” - that is the first known value. Then, you subtract the total of the outstanding c...

• Waiting for answer How do you find the roots of ##12x^3+31x^2-17x-6=0##?

Use the rational roots theorem, then factor to find: ##x = 2/3" "## or ##" "x = -1/4" "## or ##" "x = -3## ##f(x) = 12x^3+31x^2-17x-6## By the rational roots theorem, any rationa...

• Waiting for answer What is the excited state of an atom?

An atom is excited when electrons are boosted from the ground state (where they have the lowest amount of energy) to an excited state (when they have more than that). This can be done using heat, light, or by adding electricity. It's this excitation that makes fluorescent light bulbs work. When e...

• Waiting for answer When 3-iodo-3-ethylpentane is treated with sodium methoxide...

The major product is 3-ethylpent-2-ene, and it is formed by an E2 mechanism . Methoxide ion is a strong base, so we predict an E2 mechanism.

• Waiting for answer Is latency (physiology) the time from the stimulus to the en...

Latency is the time from the stimulus to the start of a response. Latency comes from latent, and the Latin verb latere meaning to lie hidden or lurk. When an action is being perfo...

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