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
GalinKa [24]
2 years ago
15

Select the true statement:

Chemistry
1 answer:
timama [110]2 years ago
4 0

Answer:

D. Bonds are broken and new bonds are formed during chemical reactions only.

Explanation:

Physical changes do not result in the change of chemical composition or properties through the creation or destruction of bonds.

You might be interested in
How does a ketone react with PCl5?,
Reptile [31]

When ketone is reacted with phosphorous pentachloride, chlorination takes place at the carbonyl carbon with substitution of the oxygen atom to give a geminal dichloride (with 2 Cl atoms on same carbon) according to the following equation: 

so we can say that acetone is converted into 2,2-dichloropropane by action of PCl₅

<span />

7 0
3 years ago
Is o-toluic acid soluble in ether, NaOH?, Is Napthalene soluble in NaOH?
natima [27]
Yes, o-toluic acid is soluble in ether as ether is slightly polar and it is soluble in NaOH because it is likely to form soluble compounds with it.

Naphthalene is insoluble in NaOH.
8 0
3 years ago
How to determine reaction order in reactant?
Artyom0805 [142]
In order to determine, Order of reaction, we have to add all the exponents written in the Chemical form, on the Reactant species.

Hope this helps!
8 0
3 years ago
What is the mass of 2.2x10^9 molecules of CO2? *​
olga55 [171]

Answer: 9.68 x 10^10 grams.

Explanation:

Given that:

Mass of CO2 = ?

Number of molecules of CO2 = 2.2x10^9 molecules

Molar mass of CO2 = ? (let unknown value be Z)

For the molar mass of CO2: Atomic mass of Carbon = 12; Oxygen = 16

= 12 + (16 x 2)

= 12 + 32 = 44g/mol

Apply the formula:

Number of molecules = (Mass of CO2 in grams/Molar mass)

2.2x10^9 molecules = Z/44g/mol

Z = 2.2x10^9 molecules x 44g/mol

Z = 9.68 x 10^10g

Thus, the mass of 2.2x10^9 molecules of CO2 is 9.68 x 10^10 grams.

4 0
2 years ago
How many moles of hci are needed to form 230 moles of ci2?
LekaFEV [45]
<span>The answer is 335 dm³.</span>
4 0
3 years ago
Other questions:
  • Give the number of significant figures in this number: 40.00
    6·2 answers
  • In the lab, ammonia was mixed with water to form ammonium hydroxide. What is/are the reactant(s)?
    8·2 answers
  • Which of the following statements is true?
    13·2 answers
  • Check all that apply to sugar.
    6·2 answers
  • Which of the following is an example of qualitative observation?Select one of the options below as your answer:. A. Joseph is ob
    10·2 answers
  • Using the example in the above information determine the empirical formula of a compound if a sample contains 0.130 g of nitroge
    11·1 answer
  • Dan described two layers of Earth's atmosphere.
    9·2 answers
  • Balance equation P2O5 + H20 - - - - &gt; H3PO4<br> Help me.....
    8·1 answer
  • I need help please!!?
    5·1 answer
  • Explain this method (Froth floatation method)..........​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!