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
LUCKY_DIMON [66]
2 years ago
10

A number should be rounded up if________? it is the first digit, the number after it is between 0 and 4, the number after is bet

ween 5 and 9, it is the last digit
Chemistry
1 answer:
Mice21 [21]2 years ago
8 0

Answer:

a number should be rounded up it is 5 or higher

You might be interested in
Why should scientists be able to replicate an investigation?
Ivenika [448]

Answer:

C

Explanation:

It is also better so scientists know that the data is accurate and that the results will be reliable. If an investigation is replicable, somebody else can use it. In order for others to achieve the same results scientists also have to be able to collect the same data ...

6 0
3 years ago
2NaCl + F2 yields 2NaF + Cl2
bearhunter [10]
Study your experiment setup.<span> In 30 minutes, how will the air temperature in the bottles compare?</span><span> What do you predict will happen to the ice in each bottle?</span>
7 0
2 years ago
What do we do to increase the surface area of solid reactants to high rate of reaction?​
motikmotik
The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. This is done by cutting the substance into small pieces, or by grinding it into a powder.
8 0
3 years ago
How many grams of oxygen gas must react to give 2.10g of ZnO?
Advocard [28]
The chemical reaction is written as:

2Zn + O2 = 2ZnO

We are given the amount of the product to be produced from the reaction. We use this value and the relation of the substances in the reaction to calculate what is asked. We do as follows:

2.10 g ZnO ( 1 mol / 81.408 g ) ( 1  mol O2 / 2 mol ZnO ) ( 32 g / 1 mol ) = 0.414 g O2 is needed
8 0
3 years ago
Which statement best explains why gneiss is composed of layers but there are no layers in granite?
Mandarinka [93]

Gneiss is a sedimentary rock and granite is a metamorphic rock.

<h3>What are rocks?</h3>

Rocks are geological hard materials that are made up of various types which include:

  • Sedimentary rocks: These are rocks that made up of various layers formed from sediments. Example is the gnesis.

  • Metamorphic rocks: These are rocks that are form from pre existing rocks that undergoes some transformation. Example is granite

Therefore, Gneiss is a sedimentary rock and granite is a metamorphic rock.

Learn more about rocks here:

brainly.com/question/398139

#SPJ1

8 0
2 years ago
Other questions:
  • A student measures the mass of a substance as 1.7132kg and it's volume as 0.65l. What is the density substance in g/mL? Round yo
    14·1 answer
  • What is the ph of a buffer consisting of 0.200 m hc2h3o2 and 0.200 m kc2h3o2? the k a for hc2h3o2 is 1.8×10−5. view available hi
    7·1 answer
  • In a solution, the substance that changes phase is the _____, while the substance that does not change phase is the____.
    9·1 answer
  • The specific heat capacity of silver is 0.235 J/g ∙ K. Its melting point is 962 °C, and its enthalpy of fusion is 11.3 kJ/mol. W
    13·1 answer
  • What is the chemical bond between mg and p?
    15·1 answer
  • PLEASE HELP ILL GIVE BRAINLIST!!!
    7·2 answers
  • NO GO*GLE ANSWERS PLEASE!
    6·1 answer
  • What Type of Symbiosis? The stork uses its saw-like bill to cut up the dead animals it eats. as a result, the dead animal carcas
    14·1 answer
  • 32 You have two objects made of the same substance. Object 1 is a cube with a mass of 257.7 g. You measure the side of the cube
    8·1 answer
  • 2)
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!