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3 years ago

How is using a coffee cup calorimeter an effective way to determine enthalpy?

1 answer:

7 0

Enthalpy is defined as the measure of energy in a thermodynamic system. The value of enthalpy is considered to be equal to the internal energy of the system and the product of pressure and volume. Calorimeter is usually used to obtain the value of enthalpy of a system.
A coffee cup calorimeter is an effective way of measuring the enthalpy of a system because it is a constant pressure calorimeter. This means that, the heat that is measured in a coffee cup calorimeter is equivalent to the change in enthalpy; also its use result in little or no volume change to the system involved.

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State and city governments have promoted facilities where new businesses can open up shop and share common services such as secr

denis-greek [22]

Answer:

Incubators

Explanation:

In north american context the incubators refers to small places for business provided on low rent.

Basically in the given context, the space for new shops for businesses is given by state and city government, this clearly states that because of involvement of government the prices of such place would be really low as compare to private rental spaces.

This provides that because of this facility incubators will grow.

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3 years ago

Which action is the best example of appropriate e-mail use at work?

Naya [18.7K]

Answer:

Explanation:

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3 years ago

A government began 2013 with a budget deficit and a trade deficit. During the year, the government changed its policy and is now

ddd [48]

Answer:

the exchange rate and the trade deficit to decrease.

Explanation:

A deficit can be defined as an amount by which money, falls short of its expected or required value.

Generally, deficit in financial accounting is usually as a result of expense exceeding revenue or revenue falling below expenses at a specific period of time.

For instance, when liabilities exceeds assets or import exceeds export there would be a deficit in the financial account.

Generally, a deficit on the current account ultimately implies that the value of goods and services exported is lower than the value of goods and services being imported in a particular country.

In 2013, government began with a budget deficit and a trade deficit. During the year, the government changed its policy and is now running a budget surplus.

Hence, this change in policy will cause the exchange rate and the trade deficit to decrease if all other factors hold constant

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3 years ago

Icy Mocha Company estimates its factory overhead costs to be $35,000 and machine hours to be 5,000 for the year. If the actual h

emmainna [20.7K]

Answer:

d) overapplied $160

Explanation:

$\frac{Cost\: Of \:Manufacturing \:Overhead}{Cost \:Driver}= Overhead \:Rate$

$35,000 expected overhead / 5,000 machine= 7 dollar per machine hour are spend on overhead

applied overhead:

4,980 x 7 = 34,860

actual overehad: 34,700

As the amount of cost enter by the accounting are above the real cost, we are going to increase the manufacturing overhead cost and making the net income lower for this particular reason.

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3 years ago

James is currently unemployed. He is disappointed every Sunday when none of the job advertisements in the newspaper are for work

balandron [24]

Answer:

Structural unemployment

Explanation:

James is going throughout a non voluntary unemployment because there is a "gap" between his skills and the market demanded skills. To minimize this gap, James should improve his skills sets, or take a job with less requirements

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3 years ago