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
attashe74 [19]
3 years ago
11

I need help with this and quickyly if anyone is good in Chemistry??

Chemistry
1 answer:
Dominik [7]3 years ago
6 0
The correct answer is d) chrima
You might be interested in
When KNO3 dissolved in water, what is the intermolecular attraction between NO3 ions
Snezhnost [94]
Ion-dipole forces

H2O has hydrogen bonding, which is a form of dipole-dipole forces, and NO3- is an ion, so the intermolecular attraction is ion-dipole.
4 0
2 years ago
Chemical changes<br> involve the breaking and making of chemical bonds.<br><br> The answer is always
larisa [96]

Answer:

Chemical reactions involve breaking chemical bonds between reactant molecules (particles) and forming new bonds between atoms in product particles (molecules). The number of atoms before and after the chemical change is the same but the number of molecules will change.

Explanation:

6 0
2 years ago
How many grams of Ca(OH)2are required to make 1.5 L of a 0.81 M solution?
FrozenT [24]

Answer:

Mass = 90.28 g

Explanation:

Given data:

Mass of Ca(OH)₂ = ?

Volume of solution= 1.5 L

Molarity of solution = 0.81 M

Solution:

First of all we will calculate number of moles.

Molarity = number of moles / volume in L

by putting values,

0.81 M = Number of moles / 1.5 L

Number of moles = 0.81 M × 1.5 L

Number of moles = 1.22 mol

Mass of Ca(OH)₂ in gram:

Mass = number of moles × molar mass

Mass = 1.22 mol × 74.09 g/mol

Mass = 90.28 g

5 0
2 years ago
Describe the difference between a chemical reaction and a physical change.
GREYUIT [131]
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity.


Examples of chemical changes are burning, cooking, rusting, and rotting.

Examples of physical changes are boiling, melting, freezing, and shredding.
5 0
2 years ago
Ano-ano ang mensahe ng grupo ng el gamma penumbra sa kanilang palabas​
Alexxandr [17]

Answer:

Pag-alaga ng kalikasan, pagpapakita ng mga tanawin o kagandahan ng Pilipinas

6 0
3 years ago
Other questions:
  • How much iron is present in 7.59 g of iron(iii) oxide? answer in units of g?
    6·1 answer
  • Which characteristics help enable plants to survive on earth ?
    12·1 answer
  • If one parent is TT (tall), and the other parent is tt (short). What percentage of the offspring will be short
    15·1 answer
  • Which element is most important to scientists doing radiometric dating? nitrogen carbon -12 carbon - 14 hydrogen next?
    15·2 answers
  • A chemist needs 225 ml of 2.4 m hcl. What volume of 12 m hcl must be mixed with water to form this solution?
    5·1 answer
  • What does ClF3 stand for
    9·1 answer
  • The naturally occurring isotopes of magnesium are magnesium-24. magnesium-25, and magnesium-26. Magnesium-24 has an abundance of
    9·2 answers
  • Use the electron-transfer method to balance this equation:
    15·1 answer
  • What is the product of the unbalanced combustion reaction below?<br> C3H8(g) + O₂(g)
    6·1 answer
  • The density (mass/volume) of aluminum is 2.70 times. 103 kilograms per cubic meter (kg/m3). what is the mass of an aluminum cyli
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!