subject

Chemistry, 29.01.2020 16:55 EMQPWE

How are physical and chemical changes similar?

neither can change the number of atoms of each element that are present.
neither can cause chemical bonds to break.
neither can result in a phase change.
neither can cause a substance to give off heat or light.

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 16:00

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

Answers: 1

question

Chemistry, 22.06.2019 08:30

What is the independent variable in this investigation? mass volume sample number substance density

Answers: 3

question

Chemistry, 22.06.2019 10:50

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

Answers: 2

question

Chemistry, 22.06.2019 16:00

Which factor is likely to impact the possible number of compounds ?

Answers: 1

You know the right answer?

How are physical and chemical changes similar?

neither can change the number of atoms o...

Questions

question

History, 17.07.2019 17:20

How did the renaissance lead to advances in sea exploration a. it inspired people to spread christianity throughout the world b. it began in portugal,...

question

Computers and Technology, 17.07.2019 17:20

If ax=h and bx= h the after theexecution of the instruction add ax, bx. what willbe status of the following flags sf, pf, zf, cf, of,...

question

Computers and Technology, 17.07.2019 17:20

Iam making a java application, and i need to forcethe garbage collection, how can i achieve that, if not why?...

question

Physics, 17.07.2019 17:20

if yellow light from a source has a coherence time of 10-8 s, how many cycles are there in the wave?...

question

Physics, 17.07.2019 17:20

in a particular inertial frame s, two events occur a distance c△t apart and one event occurs before the other by a time at. an observer who is...

question

Health, 17.07.2019 17:20

Stuart jogs with his brother each morning, and they can only speak one or two words at a time between multiple deep breath‘s. which best describes the...

question

English, 17.07.2019 17:20

Why does the host answer the guest with brief responses during the party? other guests are asking for the host's attention the party is o...

question

Mathematics, 17.07.2019 17:20

Aabc has vertices at a(12, 8), b(4,8), and c(4, 14). axyz has vertices at x(6, 6), y(4, 12), and z(10, 14). amno has vertices at m(4. 16),...

question

Chemistry, 17.07.2019 17:20

Boris recently synthesized an explosive compound he named badenoughium. the molecular formula for bdenoughium is h5c3n3o9. the balance chemical equati...

question

Mathematics, 17.07.2019 17:20

98 points which are perfect square trinomials? select two options. x2 − 9 x2 −100 x2 − 4x + 4 x2 + 10x + 25 x2 + 15x +...

question

Mathematics, 17.07.2019 17:20

What is the solution to the linear equation? 2/3 x – 1/2 =1/3 +5/6 x...

question

Mathematics, 17.07.2019 17:20

Dilu find the solution(s) to 2x - 7x+ 3 = 0. check all that apply. o a. x= 3 b. x= 2 c. x=-3 d. x= 1 o e x=-1...

question

Mathematics, 17.07.2019 17:20

What is the solution to the linear equation? 2/3 x – 1/2 =1/3 5/6x x...

question

Mathematics, 17.07.2019 17:20

An angle that mearsure between 90 and 180 is called a angle...

question

History, 17.07.2019 17:20

According to achebe why had white man come to africa...

question

History, 17.07.2019 17:20

According to achebe why had white man come to africa...

question

Advanced Placement (AP), 17.07.2019 17:20

What is yt? line segment xy is dilated to create line segment x'y' using point t as the center of dilation. x 2 x...

question

History, 17.07.2019 17:20

african americans who settled in the plains region of the united states were known by what name? a. exodusters b. scalawags c...

question

History, 17.07.2019 17:20

Who controlled a married english woman's property? o a. her brother o b. her husband o c. the woman herself o

question

English, 17.07.2019 17:20

Select the correct answer from each drop-down menu. is a grammatical pause in the middle of a line of a poem. is when a line of poetry con...

More questions: Chemistry Another questions

Questions on the website: 13722360