laceRiver laceRiver

23-04-2014
Chemistry

Answered

How do you tell if a reaction is endothermic or exothermic using only the written formula

Answer :

xlmichael xlmichael

23-04-2014

You know if it's endothermic or exothermic by doing the enthalpy reaction. If the change of temperature is negative then it is exothermic, while positive is endothermic. If you get -22K then its exothermic, but if you get +22 its endothermic.

Answer Link

Other Questions

You can _______ an entire file that you create in one Office program in a document created in another Office program.A. embed B. associate C. collate D. hide

you pick 2 digits (0-9) at random without replacement, and write them in the order picked. What is the probability that you have written the first 2 digits of y

Conversion between g-mole and kg-mole is a conversion between g and kg

Before opening a cylinder valve, what should you be sure to do?A. Pick the cylinder up, hold it under your arm, and shake it to determine if there is enough gas

At a coffee shop, the first 100 customers' orders were as follows.\begin{tabular}{|c|c|c|c|c|}\hline & Small & Medium & Large & Total \\\hline H

Select the best answer for the question.Divide 794.1 by 7.61. Round off your answer to two decimal places.A. [tex]$1,043.50$[/tex]B. 786.49C. 104.35D. 95.83

What is the verb in newspapers meet some humans needs

Which formula adds [tex]$A1[tex]$[/tex] and [tex]$[/tex]B1[tex]$[/tex] then subtracts [tex]$[/tex]C1$[/tex]?Select the TWO (2) that apply.A. [tex]C1 - A1 + B1[/

According to a certain organization, approximately 28% of adults in the United States live with a disability. This includes disabilities affecting mobility, cog

On an income statement, operating expenses are normally listed

There is an inverse relationship between x and y. If y is when x is 3, what is x when y is 9? 3 5

Why were the 1920's considered the best and worst of times?

when we look at a leaf, we see the colors of light that are reflected off its surface. how does the relatively low flow of oxygen in green light?

1. How does the friction affect forward motion? Give an example. 2. Describe two ways to change the frictional force between two solids surfaces. Change t

the area of a triangle is 41 yards to the second power with a base of 5 yard what is the height in yard

What is a series of events that cells go through as they grow and divide

How did the Declaration of Independence change the nature of the American Revolution?

Simplify (7-5i)(-3+9i)-(5+6i)^2

the area of a triangle is 41 yards to the second power with a base of 5 yard what is the height in yard

What's a good slogan for a dietitian (have dietitian in it) ?