subject
Physics, 01.07.2021 14:00 school4life110

Which of the following statements are true with respect to the law of conservation of mass? i) Mass is conserved during a chemical reaction.
ii) Amount of products formed can be determined using law of conservation of mass.
iii) Mass is destroyed during a chemical reaction.
O i only true
O Both I and II
O All three statements are true
All three statements are false

ansver
Answers: 2
Show answers

Another question on Physics

question
Physics, 22.06.2019 08:20
A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
Answers: 3
Answer
question
Physics, 22.06.2019 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Answer
question
Physics, 22.06.2019 14:30
Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia
Answers: 2
Answer
question
Physics, 22.06.2019 21:30
The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? ab c d
Answers: 2
Answer
You know the right answer?
Which of the following statements are true with respect to the law of conservation of mass? i) Mass...
Questions
question
Chemistry, 30.06.2019 22:30
Which of the following elements has the highest electronegativity? a. oxygen (o) b. sulfur (s) c. fluorine (f) d. chlorine (cl)...
question
Mathematics, 30.06.2019 22:30
The equations in the system below are equivalent. y=2(x+4) y=2x+8 how many solutions does the system have? a: no solution one b: unique solution c:...
question
Mathematics, 30.06.2019 22:30
Write the expression as a monomial in its standard form: (–c^2)^3·0.15c^4...
question
Mathematics, 30.06.2019 22:30
Aclass is participating in a walkathon fundraiser each of the 22 students walk 52 laps around the track during the four hours of the fundraisers the s...
question
History, 30.06.2019 22:30
Which factors in west and east africa allowed their cultures to endure?...
question
Mathematics, 30.06.2019 22:30
Arectangle has a length of 15 inches less than 5 times it’s width. if the area of the rectangle is 2750 square inches. what is the length of the recta...
question
Mathematics, 30.06.2019 22:30
Ineed . which two city parks have equivalent ratios of planted maple trees to the total number of trees in the park? south side- (maple trees planted...
question
Mathematics, 30.06.2019 22:30
4/5 to the 0 power as a whole number...
question
Mathematics, 30.06.2019 22:30
Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4-hour j...
question
Mathematics, 30.06.2019 22:30
What number must be subtracted from each of the numbers 31,19,13 and 10 so that they are in proportion...
question
History, 30.06.2019 22:30
Which most accurately describes how chinese cultural advancements influenced later civilizations?...
question
Mathematics, 30.06.2019 22:30
Plz , i'm taking an advanced class (algebra) will give brainliest✔✔✔✔✔✔...
question
English, 30.06.2019 22:30
Which sentence uses brackets correctly [wanda said,] "isn't this coffee cafe the best place you have ever eaten? " wanda said, "isn't this [coffee caf...
question
Biology, 30.06.2019 22:30
Which device can be used to make measurements globally? a. rain gauge b. buoy c. statellite d. thermometer...
question
English, 30.06.2019 22:30
1. which event in "borders" is an example of a flashback? a. the mother tells the border guards she is going to visit her daughter in salt lake city....
question
English, 30.06.2019 22:30
Write four to six sentences describing the development and resolution of the conflict in...
question
Geography, 30.06.2019 22:30
Which are two major divisions of the peripheral nervous system...
question
English, 30.06.2019 22:30
Read the sentence. doctors who are compassionate tend to put people at ease. what accurately describes the underlined portion of the sentence? verb p...
question
Mathematics, 30.06.2019 22:30
What number should be added to each of the number 18,28,30 and 46 so that they are in proportion...
question
Mathematics, 30.06.2019 22:30
Which statement is true about the solutions to the radical equation?...
More questions: Physics Another questions
Questions on the website: 13722360
See results (0)