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
aleksandrvk [35]
3 years ago
9

What is the SI unit of mass

Chemistry
2 answers:
Alex Ar [27]3 years ago
6 0

Answer: Kilogram (kg)

Explanation: The SI unit of mass is the kilogram (kg). It is equal to the mass of the international prototype of the kilogram and it is defined as the mass of platinum-iridum (Pt-Ir).

FinnZ [79.3K]3 years ago
4 0

Answer:

kg or kilograms

Explanation:

You might be interested in
Strigol is an important plant hormone that is released by crops such as rice and sugarcane. Unfortunately for these plants, stri
Len [333]

The hydrogen deficiency index( HDI) of strigol is = 10

<h3>How to calculate HDI:</h3>

The hydrogen deficiency index is used to measure the number of degree of unsaturation of an organic compound.

Strigol is an example of an organic compound because it contains carbons and hydrogen.

To calculate the HDI using the molecular formula given (C19H20O6) the formula for HDI is used which is:

hdi =  \frac{1}{2} (2c + 2 + n - h - x)

where C = number of carbon atoms = 19

n= number of nitrogen atoms = 0

h= number of hydrogen atoms = 20

X = number of halogen atoms = 0

Note that oxygen was not considered because it forms two bonds and has no impact.

There for HDI =

\frac{1}{2} (2 \times 19 + 2 + 0 - 20 - 0)

HDI=

\frac{1}{2} (40 - 20)

HDI =

\frac{1}{2}  \times 20

HDI = 10

Therefore, the hydrogen deficiency index of strigol is = 10

Learn more about unsaturated compounds here:

brainly.com/question/490531

7 0
3 years ago
What is the explanation as to why bonds form
VikaD [51]
<span>They want a full outer shell of electrons, so the lose, gain, or share electrons with other elements, forming compounds, until they have 8 valence electrons and become stable.

</span>
4 0
3 years ago
Read 2 more answers
extremely hot.When a student went to open the car doo , he burned his finger. What two forms of energy were responsible for the
charle [14.2K]

Answer:

radiation and conduction

Explanation:

During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?

Solution:

Heat is the transfer of energy from a warmer object to a cooler object. For heat transfer to occur, there have to be a difference in temperature between two objects.  

Heat can be transferred in three ways: by conduction, by convection, and by radiation.

Conduction is the transfer of thermal energy between bodies through direct contact. Convection is the transfer of thermal energy through the movement of heat in a liquid or gas. Radiation is the transfer of thermal energy through thermal emission by electromagnetic waves.

During a warm summer day, The sun makes the car to become hot through energy transfer from the sun to the car. When the student touch the car, there is heat transfer as a result of conduction.

3 0
3 years ago
QUESTION 3
aev [14]
Bacteria can’t live without humans
4 0
3 years ago
Please help y’all I don’t understand
VashaNatasha [74]

Answer:

D.

Explanation:

You try to get 8 electron on the outermost "shell" so you have no left over or "valence" electrons.

6 0
3 years ago
Read 2 more answers
Other questions:
  • A sample of neon occupies a volume of 478 mL at STP. What will be the volume of the neon when the pressure is reduced to 93.3 kP
    15·1 answer
  • Scientists test a hypothesis by?
    7·1 answer
  • Describe how the phases of the moon depend on the positions of the earth and the moon brainly
    9·2 answers
  • How much energy is required to heat a frozen can of juice (360 grams- mostly water) from 0 degrees Celsius ( the temperature of
    14·1 answer
  • An aqueous solution of ammonium sulfate is allowed to react with an aqueous solution of calcium nitrate.
    15·1 answer
  • 5 points<br> What do you think photosynthesis means ?
    7·1 answer
  • What is baking soda chemically known as ? Excessive use of chemical
    8·2 answers
  • What is the basic principle that is used during the during the structures of compounds​
    9·1 answer
  • A sample of oxygen, o2, occupies a volume of 0. 65 l at 11°c under 0. 50 atm of pressure. (r = 0. 08205 latm/molk). how many mol
    14·1 answer
  • Acetone, the solvent in nail polish remover, has a density of 0.761 g/ml What is the volume of 25.0g of acetone
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!