Two girls are adding sugar to tea. one girl is stirring her tea and the other is not. the sugar willA. dissolve faster in the tea that is not stirred
B. dissolve at the same rate in both glasses
C.dissolve faster in the tea being stirred
D. not dissolve because stirring forms colloids

Answers

Answer 1
Answer: It is C. dissolve faster in the tea being stirred.
Answer 2
Answer: The answer is C. dissolve faster in the tea being stirred.

Stirring helps up in the speeding up of the process of dissolving.
Other factor is temperature. As temperature increases, its rate increases.

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Bromine, a liquid at room temperature, has a boiling point of 58° C and a melting point of -7.2° C bromine can be classified as a Compound, impure substance, mixture, or pure substance
Which of the following chemical agents is used for sterilization? a. chlorine b. ethylene oxide c. soap d. phenolics e. alcohol
It is possible for the mass of the reactants to be greater than the mass of the products during _________.a. phase changes b. fusion reactions c. fission reactions d. physical reactions E. chemical reactions

Does a reaction occur?
Pb + Cu(CIO), → Pb(ClO3)2 + Cu

Answers

Answer:

No.

Explanation:

Pb (lead) is higher on the activity series than Cu (copper). Since Cu is lower, no reaction forms.

Why is salt put on icy roads and sidewalks in the winter?

Answers

so that ice would not melts and it helps to keep grip for walking or driving

If 2.27 moles of bromine react with excess phosphorus, how many moles of phosphorus tribromide will be produced

Answers

Answer:

The answer to your question is 1.51 moles of PBr₃

Explanation:

Data

moles of Br = 2.27

moles of PBr₃ = x

Balanced chemical reaction

                   2P   +   3Br₂  ⇒   2PBr₃

             Reactant      Element     Products

                   2                  P                 2

                   6                  Br                6

-Use proportions to find the answer

              3 moles of Br₂ ------------------  2 moles of PBr₃

         2.27 moles of Br₂ ------------------  x

               x = (2.27 x 2) / 3

               x = 4.54 / 3

              x = 1.51 moles

Answer:Identify one disadvantage to each of the following models of electron configuration:

Dot structures

Arrow and line diagrams

Written electron configurations

Explanation:

William finds a piece of pure iron in his garden. After a few days, the iron begins to rust. What are the two types of substances involved in the rusting process of iron? Iron is with one kind of atom that combines with oxygen from the air to form rust (iron oxide). Rust contains two types of atoms, which means it is .

Answers

Answer:

  • Iron
  • Oxygen

Explanation:

Rusting of iron occurs during the reaction of iron and oxygen in the presence of moisture to form hydrous iron (III) oxide, which is a reddish brown substance.

By virtue of this, the atoms which are reactants in the redox reaction would e oxygen and iron.

I hope this was clear and easy to understand.

like and rate <3

an element

a compound

HELP ME AGAIN FOR BRAINLIEST

Answers

Answer:

1: C

2: a

3: B

4: D

hope this helps

PLS HELP What is chemistry?

Answers

Answer:

A branch of science

Explanation:

CHemistry is the investigation and studying substances and their reaction with other elements

Answer:

chemistry :-

A branch of science in which we. . study about chemical

in the chemistry we studied about. elements and compounds and their

composition and reaction