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Conservation of Mass
Page 2
Questions (216)
How does a balanced chemical equation demonstrate the law of conservation of mass?
3 answers
asked anonymously
178 views
12 of 1612 of 16 Items
Question Which procedure could be used to demonstrate that matter is conserved during a physical change?(1
9 answers
asked anonymously
80 views
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?(1 point)
Responses it shows that the
3 answers
asked anonymously
42 views
If the mass of elements before a chemical reaction is 30 grams, after the chemical reaction, the mass will be __.
30 grams 28
7 answers
asked by
Connexus Student 1472
24 views
Did mass appear to be conserved during this chemical reaction? In other words, did it look like there was more or less mass than
2 answers
asked by
renise
539 views
A student combines two liquids in a beaker. She observes that the mass of the combined liquid is less than the mass of the two
3 answers
asked anonymously
40 views
make this into a paragraph that looks like a 8th grader did:
The scientist used the law of conservation of mass to predict that
3 answers
asked anonymously
49 views
When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water. Mg(OH)2+2HNO3→Mg(NO3)2+2H2O In one
3 answers
asked by
Anonymous
47 views
Which is most likely to occur during a chemical reaction s new atoms are created mass is conserved the original substance
3 answers
asked anonymously
36 views
can you change this up a bit, The scientist used the law of conservation of mass to predict that the product of the reaction
3 answers
asked anonymously
46 views
Is mass conserved when 200 g of water undergoes a physical change? Use complete sentences to support your answer by explaining
3 answers
asked anonymously
50 views
Jason intends to conduct an experiment demonstrating the conservation of mass by burning steel wool, which primary consists of
7 answers
asked anonymously
97 views
A student combines two liquids in a beaker. She observes that the mass of the combined liquid is less than the mass of the two
1 answer
asked anonymously
107 views
What did Antoine Lavoisier’s experiments demonstrate?
a- Atoms always split into pairs during a chemical change. b- Mass is
9 answers
asked by
Steve
3,177 views
A chemist mixes two liquids together. The reaction produces a gas and a solid. According to the law of conservation of mass,
21 answers
asked by
Check my answer
2,708 views
When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water.
Mg(OH)2+2HNO3→Mg(NO3)2+2H2O In one
1 answer
asked by
mom
40 views
0.22g of a hydrocarbon (compound of C & H) on complete combustion with oxygen gave 0.9 g of water and 0.44g carbon dioxide. Show
3 answers
asked by
Karamjit singh
1,808 views
Which of the following models of a chemical reaction best represents the law of conservation of mass? (Hint: Mass is conserved
1 answer
asked anonymously
44 views
Stephanie conducts an experiment in which she combines 10.0 grams of zinc metal with 25.0 grams of bromine. Which of the
6 answers
asked anonymously
42 views
Conservation in a reaction means that the number of each type of atom is ??? on each side of the arrow. This is a "???, ???"
1 answer
asked by
hello fart
59 views
Mass is ??? in a chemical reaction. Nothing is ??? and nothing is ???.
1 answer
asked by
hello fart
56 views
In one to two sentences, explain how this reaction demonstrates that matter is neither created nor destroyed in a chemical
1 answer
asked anonymously
139 views
For a chemical reaction in a closed systemmass cannot be the reaction mass is or We can say that throughout
created destroyed
1 answer
asked anonymously
32 views
Because the mass of the reactants equal to the mass of the product of a reaction, the number of moles will be conserved.
-I think
3 answers
asked by
Shadow
1,329 views
Although atoms can be rearranged in physical or chemical changes they are never ______ or _____
This is referred to as the law of
1 answer
asked anonymously
22 views
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?(1 point)
it shows that the properties of the
1 answer
asked anonymously
30 views
With procedure could be used to demonstrate that matter is conserved during a physical change
Find the mass of an apple. Cut the
1 answer
asked anonymously
45 views
In trial one the mass of silver oxide is .5g. The mass of silver metal product is .431 grams.
In trial two the silver oxide=.498
2 answers
asked by
mike
1,131 views
Consider the reaction between hydrogen and oxygen gases to form water: 2H2(g) + O2(g) �¨ 2H2O(l) Which of the following is not
2 answers
asked by
amanda
1,114 views
When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water.
Mg(OH)2 + 2HNO3 -> Mg(NO3)2 + 2H20 In
1 answer
asked anonymously
37 views
which is most likely to occur during a chemical reaction?
a. mass is conserved b. new atoms are created c. atoms of the original
1 answer
asked anonymously
31 views
Which is most likely to occur during a chemical reaction?
a.) atoms of the original substance are lost b.) new atoms are created
7 answers
asked anonymously
38 views
How does a balanced chemical equation demonstrate the Law of Conservation of Mass? use responses
responses it shows that the
1 answer
asked by
annoymous
19 views
Describe how you can show that a chemical reaction adhers to the law of conservation of mass. Chemical reaction: magnesium
2 answers
asked by
Jessica
962 views
jake put a handful of nails in a jar he closed the jar and put the jar asidde a few weeks later the nails rusted what happen to
1 answer
asked by
shi
691 views
An alka-seltzer tablet weighing 3 grams is added to a flask of water (weighing 250 grams).At the end
of the experiment, the flask
3 answers
asked by
anonymous
712 views
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?(1 point)
it shows that only physical changes
1 answer
asked anonymously
42 views
2 H2 + O2 -> 2 H2O
2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
1 answer
asked by
jeff
679 views
State the law of conservation of mass. Then apply the law to this question: What would be the total mass of the products of a
5 answers
asked by
Anonymous
647 views
Re-write this in 7th grade words
Matter is neither created nor destroyed. Therefore, you have started with 12.7 g Cu and 3.2 g S
9 answers
asked by
???
88 views
A chemist mixes two liquids together. The reaction produces a gas and a solid. According to the law of conservation of mass,
3 answers
asked by
marie
606 views
Materials
-sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda
5 answers
asked by
TOM
599 views
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?(1 point)
Responses it shows that the
1 answer
asked anonymously
33 views
I am trying to show that the combined weight of the reactants is equal to the combined weight of the reaction. When I placed
4 answers
asked by
Audra
501 views
Materials
-sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda
2 answers
asked by
Tom
491 views
Did mass appear to be conserved during this chemical reaction? In other words, did it look like there was more or less mass than
7 answers
asked by
Lorenzo
474 views
If 2 girls are filling 1 cup up equally with fluids? And 1 drinks it and then fills the cup up with a solid and the other girl
1 answer
asked by
David B. Davidson
463 views
Chemical Change Unit Test answers
Q1 Which element has the same number of valence electrons as bromine (Br)? A chlorine (Cl). Q2
1 answer
asked by
A Creditor.
45 views
How does a balanced chemical equation demonstrate the law of conservation of mass
1 answer
asked anonymously
66 views
Student combines two liquids in a beaker she observes the mass of the combined liquid and less than the mass of the two separate
1 answer
asked anonymously
17 views
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Parent Categories (12)
Cellular respiration
Changes
Chemical Equations
Chemical Reactions
Chemistry
Laws and Equations
Laws and Principles
Matter
Physical Changes
Physics
Stoichiometry
Thermodynamics