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
Naddika [18.5K]
3 years ago
12

How sig figs are in 28.0

Chemistry
2 answers:
Blizzard [7]3 years ago
8 0
There are 3 sig figs
Nadya [2.5K]3 years ago
5 0
There are exactly (a). 10.0 and (b). 28.0
You might be interested in
Which term best describes a unit of carbon dioxide?
Lelechka [254]

Answer:

Molecule.

Explanation:

carbon and fluorine. Based on the bonding, a unit of carbon dioxideis described as a molecule.

7 0
2 years ago
What occurs in a chemical reaction?
Darya [45]
Reactants are formed from a chemical bond with can be broken down by vaporizing
3 0
3 years ago
Read 2 more answers
Explain what is meant by energy and list two units in which energy is measured
dybincka [34]

Answer:

J (joule)  W(watt)

Explanation:

If you're looking for the definition it is

The most common definition of energy is the work that a certain force can do. Energy also cannot be created or destroyed and some examples are

light, heat, mechanical, potential, and kinetic

4 0
3 years ago
Hurry I need the answer asap
olga nikolaevna [1]

Answer:

Heat or electricity in the atmasphere

Explanation:

4 0
2 years ago
Which statement best describes PH of pure water
qwelly [4]
The concentration of hydronium ions equals that to hydroxide ions the answer is A) pH is equal tot he negative log of hydrogen. the pH of water is 7 which equal to 10^-7 of H+ and OH- ions.
3 0
3 years ago
Other questions:
  • Green plants use light from the sun to drive photosynthesis. photosynthesis is a chemical reaction in which water and carbon dio
    7·1 answer
  • Which of the following types of coal has the highest energy content and produces the fewest polluting chemicals?
    9·1 answer
  • Calculate the theoretical yield of iron(III) oxide expected for this reaction if 0.50 mol of iron is reacted with excess oxygen
    14·1 answer
  • How interactions cause substance to boil at different tempurtures
    9·1 answer
  • What is the mass, volume, density, and substance for block D:
    10·1 answer
  • Write an algebraic expression to repro<br> 1.4 times a number, increased by 7
    15·1 answer
  • Disaccharides are joined by glycosidic bonds formed between the anomeric carbon on one monosaccharide and a hydroxyl ( − OH ) gr
    5·1 answer
  • What is the oxidation number of bromine in the BrO3- ion?<br>​
    9·1 answer
  • How much heat energy is needed to heat 250 g of water from 200C to its boiling point and then completely vaporize it?
    12·1 answer
  • 3. Which of the following represents a covalent compound?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!