1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
riadik2000 [5.3K]
3 years ago
15

The property of a substance stays ______________ no matter how the substance is used.

Chemistry
1 answer:
Irina18 [472]3 years ago
3 0

Any substance changes to another substance that means the change of the physical property. Like water () has different state which changes as the temperature changes. It remain as liquid in the room temperature, in solid form at or below 0°C and vapor phase on or above 100°C. But in all the stage or phase of the substance the composition of the water i.e.  remains. Thus the chemical property remains fixed when a substance change to other substance.  

You might be interested in
Consider the following reaction between mercury(II) chloride and oxalate ion.
Alina [70]

<u>Answer:</u> The rate law of the reaction is \text{Rate}=k[HgCl_2][C_2O_4^{2-}]^2

<u>Explanation:</u>

Rate law is defined as the expression which expresses the rate of the reaction in terms of molar concentration of the reactants with each term raised to the power their stoichiometric coefficient of that reactant in the balanced chemical equation.

For the given chemical equation:

2 HgCl_2(aq.)+C_2O_4^{2-}(aq.)\rightarrow 2Cl^-(aq.)+2CO_2(g)+Hg_2Cl_2(s)

Rate law expression for the reaction:

\text{Rate}=k[HgCl_2]^a[C_2O_4^{2-}]^b

where,

a = order with respect to HgCl_2

b = order with respect to C_2O_4^{2-}

Expression for rate law for first observation:

3.2\times 10^{-5}=k(0.164)^a(0.15)^b  ....(1)

Expression for rate law for second observation:

2.9\times 10^{-4}=k(0.164)^a(0.45)^b  ....(2)

Expression for rate law for third observation:

1.4\times 10^{-4}=k(0.082)^a(0.45)^b  ....(3)

Expression for rate law for fourth observation:

4.8\times 10^{-5}=k(0.246)^a(0.15)^b  ....(4)  

Dividing 2 from 1, we get:

\frac{2.9\times 10^{-4}}{3.2\times 10^{-5}}=\frac{(0.164)^a(0.45)^b}{(0.164)^a(0.15)^b}\\\\9=3^b\\b=2

Dividing 2 from 3, we get:

\frac{2.9\times 10^{-4}}{1.4\times 10^{-4}}=\frac{(0.164)^a(0.45)^b}{(0.082)^a(0.45)^b}\\\\2=2^a\\a=1

Thus, the rate law becomes:

\text{Rate}=k[HgCl_2]^1[C_2O_4^{2-}]^2

3 0
3 years ago
can anyone explain to me how to balance a chemical equation? im having trouble in understanding how i keep getting it wrong.
Virty [35]
For example we are going to use this unbalanced chemical reaction:
H₂ + O₂ → H₂O.
First, calculate number of atoms (hydrogens and oxygens) on left and right. There is two oxygen and two hydrogen on left and two hydrogen and one oxygen on right.
You can not change molecular formula of compound, only you can put coefficient in fron of compound to balance reaction.
Put 2 in front water to balance oxygen (now you have two oxygens on left and right). But now you have four hydrogens on right, so you must put 2 in fron hydrogen on the left.
2H₂ + O₂ → 2H₂O.
6 0
3 years ago
Read 2 more answers
Which diagram represents a Liquid state of matter?
Sedbober [7]
I think it’s either solid or water (if that’s a choice)
3 0
3 years ago
Which of these describes the flow of energy as rock salt is dissolved in water?
andrezito [222]
A because Energy is absorbed
5 0
3 years ago
What is a solution called when it contains as much solute as it can possibly hold at a given temperature?
Sauron [17]
The answer is b .............................................
3 0
3 years ago
Read 2 more answers
Other questions:
  • Why would you be cautious of scientific information you hear from advertisers?
    7·1 answer
  • Is the following sentence true or false? the mass of an object changes with location.
    7·1 answer
  • In simple summary form, the input of the Calvin cycle for every product is __________, and the output is __________ used for glu
    15·1 answer
  • Explain what it means for a reaction to be endothermic and what would happen to the temperature recorded by a thermometer in an
    14·2 answers
  • Explain how you figure out the number of neutrons in Tellurium-128.
    6·1 answer
  • What is one interaction between the geosphere and the cryosphere
    14·1 answer
  • Trying to explain why a cactus needs little water to survive is an example of
    6·1 answer
  • I need help with both parts, ill give brainliest and 30 points
    15·2 answers
  • a rock is found to have a small amount of copper would you call the rock an ore of copper explain in 5-6 sentences
    15·1 answer
  • Glycerol (molar mass 92.09 g/mol) has been suggested for use as an alternative fuel. The enthalpy of combustion, Δ
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!