Chemistry, 11.11.2020 08:20 amiobidova
A 752 mL sample of NH3 gas is at STP. If the volume changes to 543 mL and the temperature changes to 29 °C, what will be the new
pressure in atmospheres?
New pressure= ? atm
Answers: 1
Chemistry, 21.06.2019 22:10
What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance
Answers: 2
Chemistry, 22.06.2019 07:00
Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
Answers: 1
Chemistry, 22.06.2019 07:30
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
Chemistry, 22.06.2019 07:30
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
A 752 mL sample of NH3 gas is at STP. If the volume changes to 543 mL and the temperature changes to...
Chemistry, 12.07.2019 20:00
History, 12.07.2019 20:00
Social Studies, 12.07.2019 20:00
Physics, 12.07.2019 20:00
Mathematics, 12.07.2019 20:00
History, 12.07.2019 20:00
Mathematics, 12.07.2019 20:00
Chemistry, 12.07.2019 20:00
Mathematics, 12.07.2019 20:00
Computers and Technology, 12.07.2019 20:00
Biology, 12.07.2019 20:00
Mathematics, 12.07.2019 20:00