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
sergij07 [2.7K]
3 years ago
10

Bases turn litmus paper what color? a) red b) blue c) yellow d) pink

Chemistry
2 answers:
never [62]3 years ago
6 0

Answer is: b) blue.

Neutral litmus paper turns red in acidic solutions and turns blue in alkaline solutions. At neutral pH, litmus paper does not change color.

Acids and bases have opposite properties and have the ability to neutralize each other. Acids taste sour, give sharp stinging pain in a wound and react with metals to produce hydrogen gas.

Bases turn red litmus paper blue and acids turn blue litmus paper red.

yKpoI14uk [10]3 years ago
5 0
Answer:
blue
.......
.......
You might be interested in
• Explain, in terms of energy, particles motion & bonds,
Ne4ueva [31]

Explanation:

As the water vapor touches the mirror the particles of the vapor loses energy and they move less then the process Condensation takes place in which the gas turns into water.

3 0
3 years ago
The following chemical equation is not balanced: I2 + Na2S2O3 NaI + Na2S4O6 When this chemical equation is correctly balanced, w
marshall27 [118]

Answer:

The answer is B

4 0
3 years ago
Mary discovered that the cell membrane of a bacteria act like a fence because it keeps some things in and other things out
Diano4ka-milaya [45]

Answer:

The Answer is B. Analogy

7 0
3 years ago
Read 2 more answers
A quantity of 200 mL of 0.862 M HCl (aq) is mixed with 200 mL of 0.431
Agata [3.3K]

Answer:

The answer to this question has been described in details on the screenshots attached to this question.

Thanks. Hope it helps

7 0
3 years ago
For the decomposition of calcium carbonate, consider the following thermodynamic data (Due to variations in thermodynamic values
sweet [91]

Answer: 1.109\times 10^3 with four significant digits.

Explanation:

Given,

\Delta H = 178.5 KJ/mole = 178500 J/mole    (1kJ=1000J)

\Delta S = 161.0 J/mole.K

According to Gibbs–Helmholtz equation:

\Delta G=\Delta H-T\Delta S

\Delta G = Gibbs free energy  

\Delta H = enthalpy change  

\Delta S = entropy change  

T = temperature in Kelvin

\Delta G= +ve, reaction is non spontaneous

\Delta G= -ve, reaction is spontaneous

\Delta G= 0, reaction is in equilibrium

As per question the reaction is spontaneous that means the value of  \Delta G is negative or we can say that the value is less than zero.

Thus

T\Delta S>\Delta H

T\times 161J/Kmol> 178500J/mol

T>1109K

Significant figures are the figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

Thus the temperature is 1.109\times 10^3 in kelvins above which this reaction is spontaneous.

6 0
3 years ago
Other questions:
  • 15 points!!!
    15·1 answer
  • О)
    6·1 answer
  • If two atoms are isotopes of the same element the atoms must have
    9·2 answers
  • Helpp plsss
    15·2 answers
  • PLEASE HELP ASAP!!!!!!
    5·1 answer
  • 29.3g CO2 and 20.8g H2O
    9·1 answer
  • What two terms are used to describe the temperature at which solids and liquids of the same substance exist at the same time?
    5·1 answer
  • Hydrofluoric acid is what type of acid?
    10·1 answer
  • Dominic made the table below to organize his notes about mixtures. A 1-column table. The first column labeled properties of mixt
    10·2 answers
  • How many formula units is 213 g of PbCl2?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!