subject

Chemistry, 17.12.2019 10:31 crysmrod

The reaction p4+5o2 -> p4o12+712 kcal is exothermic.

true
false

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 12:30

What type of scientific model does the flow chart represent? (a chart of the scientific process) a. conceptual b. mathematical c. physical d. virtual

Answers: 1

question

Chemistry, 22.06.2019 19:20

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

Answers: 1

question

Chemistry, 23.06.2019 01:00

What is the chemical name of the compound ti2o3?

Answers: 2

question

Chemistry, 23.06.2019 07:30

Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Answers: 2

You know the right answer?

The reaction p4+5o2 -> p4o12+712 kcal is exothermic.

true
false...

Questions

question

Mathematics, 22.01.2020 21:31

:a school psychologist wants to test the effectiveness of a new computer method for teaching reading to first graders. she recruits 400 first grade st...

question

Business, 22.01.2020 21:31

Brian was passionate about filson. it was the only place he'd buy his clothes. if anyone asked him about clothes, he would talk for what seemed like h...

question

Computers and Technology, 22.01.2020 21:31

Write a function in cell h2 to return the experience level of employees. if an employee has more than 10 years of experience, cell h2 must show "high"...

question

Chemistry, 22.01.2020 21:31

Achemist prepares a solution of copper(ii) sulfate by measuring out of copper(ii) sulfate into a volumetric flask and filling the flask to the mark wi...

question

Business, 22.01.2020 21:31

Kingbird company exchanged equipment used in its manufacturing operations plus $4,200 in cash for similar equipment used in the operations of oriole c...

question

Engineering, 22.01.2020 21:31

Adriver is traveling at 90 mi/h down a 3% grade on good, wet pavement. an accident investigation team noted that braking skid marks started 410 ft bef...

question

Health, 22.01.2020 21:31

According to the existential perspective, the difficulties we face in finding meaning in life and in accepting the responsibility for making free choi...

question

History, 22.01.2020 21:31

All of the following measures expanded democracy during the progressive era: othe seventeenth amendment to the constitution. othe use of primary elect...

question

Physics, 22.01.2020 21:31

Asteel ball with mass 0.347 kg falls onto a hard floor and bounces. its speed just before hitting the floor is 23.6 m/s and its speed just after bounc...

question

Business, 22.01.2020 21:31

The prospect of searching for a job can be very intimidating. what techniques have you used in the past when you were job hunting? which ones were mo...

question

Business, 22.01.2020 21:31

Simply music recording studio has seen great success in its 20 years of operation-until recently. while utilizing top recording equipment and the late...

question

Mathematics, 22.01.2020 21:31

An experimenter is randomly sampling 3 objects in order from among 48 objects. what is the total number of samples in the sample space? 17296 14190 3...

question

Social Studies, 22.01.2020 21:31

According to article ii of the united states constitution, all federal impeachment proceedings must start in the and the subsequent trial is to be co...

question

Chemistry, 22.01.2020 21:31

The first order rate constant for the conversion of cyclobutane to ethylene at 1000.â°c is 87 1/s. cyclobutane â 2 ethylene (a) what is the half-life...

question

Business, 22.01.2020 21:31

Carlos arruza company exchanged equipment used in its manufacturing operations plus $3,000 in cash for similar equipment used in the operations of ton...

question

Social Studies, 22.01.2020 21:31

Awhole life insurance policyowner does not wish to continue making premium payments. which of the following enables the policyowner to sell the policy...

question

Health, 22.01.2020 21:31

According to parents' responses in a research study, what is the most important way that children should behave toward their elderly parents? a) livin...

question

Health, 22.01.2020 21:31

According to walter b. cannon, allostasis is achieved through a system of carefully coordinated physiologic processes that oppose change, not the abil...

question

Computers and Technology, 22.01.2020 21:31

It is 10pm and you are inside in the middle of a large building. your cell phone is dead so you cannot use wifi or cell signals to find your location....

question

English, 22.01.2020 21:31

What does the third-person-omniscient point of view in the call of the wild do for readers that could not be achieved with a fist-person or third-pers...

More questions: Chemistry Another questions