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
ella [17]
3 years ago
7

2. A block of material has a volume of 2 m3. It has a mass of 1 × 104 kg. Calculate the density of the material sample and expre

ss your results in g/cm3 with appropriate scientific notation.
Chemistry
1 answer:
maks197457 [2]3 years ago
7 0
Density = mass / volume

D = 1 x 10⁴ / 2

D = 5000 kg/m³ in g/cm³:

1 kg/m³ ---------------- 0.001 g/cm³
5000 kg/m³ ----------- ??

5000 x 0.001 / 1 =>  5.0 g/cm³

hope this helps!
You might be interested in
How many atoms of oxygen are represented in 3Fe(NO3)2?
nexus9112 [7]
There are 18. In each molecule of Fe(NO3)2 there are 6 oxygen atoms because you have 2 nitrate (NO3) components which each contain 3 oxygen atoms. 2 x 3 = 6. Because you have 3 molecules of Fe(NO3)2, you need to multiply 6 by 3, which gives you 18 oxygen atoms.
4 0
3 years ago
Read 2 more answers
What is the amount of heat required to change one mole of a substance from the solid to liquid state known as?
Alla [95]

melting point because the melting point is the heat required to make an object melt anything less than this poitn will not make the substence melt.

5 0
3 years ago
Read 2 more answers
Which process is most likely responsible for the removal of the missing parts of the rock layers
Sav [38]
I believe Erosion is the process most likely responsible for the removal of the missing parts of the rock layers. Erosion involves the physical action of surface processes that removes soil, rock, or dissolved material from one location on the Earth's crust, then  moved away to another location. 
6 0
3 years ago
Explain how nuclear and chemical reactions differ in terms of how they are balanced. (PLEASE ANSWER ASAP THIS NEEDS TO BE TURNED
Tcecarenko [31]

Explanation:

(1) Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei. ... (3) Rates of chemical reactions are influenced by temperature and catalysts.

6 0
3 years ago
1gallon=3.79 liters, The gas tank of a car holds 15 gallons.if you were traveling in Europe how many liters if petrol would you
Andrei [34K]
For an approximate result, multiply the volume value by 3.785
Answer ≈ 56.7812
6 0
3 years ago
Read 2 more answers
Other questions:
  • What happens to the chemical identity of a substance during a physical change?
    15·1 answer
  • In a closed container with a fixed volume, when the temperature of a gas doubles, the pressure of the gas is?
    9·1 answer
  • In what significant way does the modern model of the atom differ from bohr's model
    5·1 answer
  • If a sample of HF gas at 694.9 mmHg has a volume of 3.463 Land the volume is changed to 5.887 L, then what will be the new press
    7·1 answer
  • Farming is one example of a human activity that has changed the environment. Which is the NOT a reason farming has hurt the envi
    13·1 answer
  • How many times a one pound (2.2 kg) block of iron can be split in half before it stops being iron.
    12·1 answer
  • Can dowels be chopsticks, since both of them are wood?
    8·2 answers
  • Which statement provides the best evidence that in environmental change can affect traits in later generations of an organisms p
    11·2 answers
  • H e l p,,, ill give brainliest :)
    6·1 answer
  • the bunsen burners in your labs are fueled by natural gas which is mostly methane. the thermochemical equation for the combustio
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!