subject

Chemistry, 07.04.2021 14:00 mprjug6

What does a negative AH tell about a reaction? A. The reaction absorbed heat.
B. The reaction has no enthalpy.
C. The reaction is exothermic.
D. The reaction is endothermic.
SUBMIT

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 20:30

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Answers: 2

question

Chemistry, 22.06.2019 15:00

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Answers: 2

question

Chemistry, 23.06.2019 01:00

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds

Answers: 1

question

Chemistry, 23.06.2019 07:20

Which of the following are acids or bases? 1. sodium hydrogen 2. barium hydroxide solution 3. carbonate solution

Answers: 1

You know the right answer?

What does a negative AH tell about a reaction? A. The reaction absorbed heat.
B. The reaction...

Questions

question

Social Studies, 18.12.2019 00:31

Which key industries are found in houston, texas? select three options. aerospace energy engineering shipping tra...

question

Mathematics, 18.12.2019 00:31

Elvira is using a pattern to multiply...

question

English, 18.12.2019 00:31

Part a in the speech, what is henry’s view of reconciling with the british? reconciliation is a likely outcome that will take...

question

Chemistry, 18.12.2019 00:31

3. sulfur (s) and fluorine (f) combine to form three different compounds. compound ahas 1.118 g of f for every 1.000 9 s. compound bhas 2.375 g of f

question

English, 18.12.2019 00:31

How do the soldiers' feelings about macbeth in act i differ from their later feelings about him in act v? a. in act i, they think he is b...

question

Social Studies, 18.12.2019 00:31

i. fall of the alamo ii. battle of san jacinto iii. goliad massacre iv. battle of gonzales which of the following is the...

question

Biology, 18.12.2019 00:31

Since the initial acceptance of cell theory, recent advances in biotechnology have provided scientists with far more information about the structure a...

question

Mathematics, 18.12.2019 00:31

On the following scale drawing the scale is 2 cm equals 1 m number one make a new scale drawing of this rectangular figure using the scale 3 cm equals...

question

Mathematics, 18.12.2019 00:31

You put $400 in an account. the account earns $18 simple interest in 3 years. what is the annual interest...

question

Mathematics, 18.12.2019 00:31

Sets: practicequestion 3 of 9drag the tiles to the correct boxes to complete the pairs.doug is analyzing the daily profits from the...

question

English, 18.12.2019 00:31

Mr. koophuis and mr. kraler took over the firms that mr. frank had managed because a. mr. frank wanted to retire b. mr. frank was bank-

question

Business, 18.12.2019 00:31

What is a characteristic feature of a message for a target market...

question

Mathematics, 18.12.2019 00:31

What fraction is equivalent to 729/1000...

question

English, 18.12.2019 00:31

Easy questions! what values are reflected in native american oral literature? how might these cultural beliefs or hinder relatio...

question

Mathematics, 18.12.2019 00:31

How would you graph the solution to -5w + 9 = 14 on a number line? 1) draw a point one unit to the right of zero. 2) draw a point f...

question

Mathematics, 18.12.2019 00:31

Maria is making a candle in the shape of a cylinder. she wants the candle to have a height of 3 cm and a radius of 2 cm. how much wax does maria need?...

question

English, 18.12.2019 00:31

how does monroe develop his argument in the excerpt from “the monroe doctrine”? by differentiating the actions of the united states from...

question

Mathematics, 18.12.2019 00:31

Research/explore the triangle. give an explicit or recursive rule or explanation for the sequence you found. for example, the sum of the diagonals giv...

question

History, 18.12.2019 00:31

Attendance at movie theaters declined in the 1950s due to the depressed economy popularity of tv high price of movie tickets e...

question

Physics, 18.12.2019 00:31

Apatient is given 40.00 mg of iodine-131 (131i ) 131 53 the half-life of 53 i is 8 days. how many milligrams of the 131i remains in the

More questions: Chemistry Another questions

Questions on the website: 13722362