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
Radda [10]
3 years ago
13

Agree or disagree that a scientific theory can be modified provide evidence along!!!!!!!

Chemistry
1 answer:
oksano4ka [1.4K]3 years ago
7 0

Answer:

I agree.

Explanation:

You might be interested in
How many molecules are in 68.0 g of H2S
Kryger [21]

The correct answer is 12.044 × 10²³ molecules.  

The molecular mass of H₂S is 34 gram per mole.  

Number of moles is determined by using the formula,  

Number of moles = mass/molecular mass

Given mass is 68 grams, so no of moles will be,  

68/34 = 2 moles

1 mole comprises 6.022 × 10²³ molecules, therefore, 2 moles will comprise = 6.022 × 10²³ × 2

= 12.044 × 10²³ molecules.  


3 0
3 years ago
a piece of candy is burned in a calorimeter raising up the tempature of 500g of water from 21 C to 25 C water has a specific hea
OverLord2011 [107]
   The energy  that was  released   by the candy  is calculates using the below formula
Q=Mc delta T

Q= heat energy
m= mass (500g)
C= specific heat  capacity) = 4.18 j/g/c
 delta t =change in temperature = 25- 21 = 4 c

Q=  500 g  x 4.18 j/g/c x 4c = 8360  j

3 0
3 years ago
Someone please help me with question 4 ! EXTRA POINTS
Aleks04 [339]
1. B
2. C
3. A
That should do it
6 0
3 years ago
Read 2 more answers
Question 8 (9 points) <br><br>Match the lab equipment with its purpose
Deffense [45]

Answer:

\sf \boxed{4} \mapsto Pipet

\sf\boxed{7}\mapsto Test \:tube \: rack

\sf\boxed{3}\mapsto Test\: table

\sf\boxed{5}\mapsto Scoopula

\sf\boxed{1}\mapsto Graduated\: cylinder

\sf\boxed{9}\mapsto Bunsen \:burner

\sf\boxed{2}\mapsto Beaker

\sf \boxed{8}\mapsto Spot\: plate

\sf\boxed{6}\mapsto Goggles

Explanation:

Pipet is used to dispense a very small amount of liquid.

Test tube rack is used to hold multiple test tubes at the same time.

Test Table is used to view chemical reactions or hold or heat small amounts of substance.

Scoopula is used to dispense chemicals from a larger container.

Graduated cylinder is used to measure volume very precisely.

Bunsen burner is used to heat objects.

Beaker is used to transport heat or store substance.

Spot plate is used to observe the color changes of small quantities of a reacting mixture.

Goggles are used to protect the eyes from flying objects or chemical splashes.

_____________________________________________________

7 0
3 years ago
Why is melting an ice cube a reversible physical change?
Dmitriy789 [7]

Answer:

Because you can freeze the water you melted back into a ice cube.

Explanation:

7 0
2 years ago
Other questions:
  • Which of the following statements concerning the attraction of ions to polar molecules is/are CORRECT? 1. The force of attractio
    14·1 answer
  • What are the relative ion concentrations in an acid solution?
    12·1 answer
  • The voltage of a battery can be changed by altering the _____
    12·1 answer
  • If the empirical formula of a compound is C2H5 and the Molecular mass is 87g/mol what is the molecular formula?
    14·1 answer
  • How can you find a tutor??​
    5·2 answers
  • At 25 °C, what is the hydroxide ion concentration, [ OH â ] , in an aqueous solution with a hydrogen ion concentration of [ H +
    5·1 answer
  • Una muestra de 2,5000 (g) de piedra caliza, se disuelve y se precipita el Calcio como oxalato de Calcio (CaC2O4), este precipita
    9·1 answer
  • Is this Ionic, Covalent, or Metallic?
    14·1 answer
  • PLS HELP ASAP NO LINKS PLS<br> How does hydroelectric power operate?<br> oil<br> water<br> coal
    12·1 answer
  • CH3CH3Li ionic or covalent
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!