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
IRINA_888 [86]
3 years ago
9

Find the square of (a+b) please answer with method​

Chemistry
2 answers:
nataly862011 [7]3 years ago
5 0
(A^2+b^2)


Hope this helps
olga2289 [7]3 years ago
3 0

Answer:

{a}^{2}  + 2ab \:  +  {b}^{2}

Explanation:

{(a + b)}^{2}

(a + b)(a + b)

{a}^{2}  + ab  \:  +  \: ab \:  +  {b}^{2}

{a}^{2}  + 2ab \:  +  {b}^{2}

You might be interested in
Does standard atmospheric pressure correspond to the normal air pressure at sea level.
pochemuha

Answer:

Yes

Explanation:

Standard temperature and pressure conditions are defined as 1 atm pressure and 273.15 K. On the other hand, standard ambient temperature and pressure conditions are defined as 1 atm pressure and 298.15 K.

Notice, however, that the only change between them is in temperature.

In any standard conditions, the standard atmospheric pressure is equal to 1 atm.

At sea level, the atmospheric pressure is also equal to 1 atm.

Therefore, we may conclude that the standard atmospheric pressure is equivalent to the normal air pressure at sea level. With an increase in altitude, however, the atmospheric pressure decreases.

7 0
3 years ago
Lithium oxide + hydrochloric acid please
Morgarella [4.7K]

Answer:

Does lithium oxide react with hydrochloric acid?

Explanation:

Lithium Hydroxide reacts with acids to produce a Lithium salt: Hydrochloric Acid + Lithium Hydroxide → Lithium Chloride + Water. HCl + LiOH → LiCl + H2O. ... H2SO4 + 2LiOH → Li2SO4 + 2H2O

is this what you wanted to know?

5 0
3 years ago
Correct way for calculating atomic mass
kolezko [41]

Answer:

mass number = protons + neutrons.

Explanation:

Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.

5 0
2 years ago
If excess sodium is added to 0.10 L of 1.00 M hydrochloric acid solution, how many moles of NaCl is formed?
Ksenya-84 [330]

Answer:

=> 0.10 moles

Explanation:

The question is asking us to find the moles of NaCl cid formed.

We have been provided with;

0.10 L of 1.0 M NaOH.

We know that mole ratio of the reaction is 1:1 and also the molarity of a solution is contained in 1 L or 1000 mL or 1000 cm³.

This means that;

1.0 M is contained in 1.0 L.

X mol is contained in 0.10 L

x \: mol \:  =  \frac{0.1 \times 1.0}{1.0}  \\  = 0.10 \: mol

= 0.10 moles of NaCl formed

8 0
2 years ago
Which of the following is NOT a "big idea" in chemistry?
aalyn [17]
B but im not sure if im 100% correcr
8 0
3 years ago
Other questions:
  • How does the internal structure of the Earth affect the surface of the planet?
    5·1 answer
  • The rate constant of a reaction is 5.8 × 10−3 s−1 at 25°c, and the activation energy is 33.6 kj/mol. what is k at 75°c? enter yo
    7·1 answer
  • What is the total amount of heat required to vaporize 1.00 gram of H2O(g) at 100.0C and 1 atmosphere?
    13·1 answer
  • A photon that has an energy of 8.63 × 10^-12 J would emit light at which wavelength (pm)
    12·1 answer
  • Light of three different wavelengths—325 nm, 455 nm, and 632 nm—is shined on a metal surface. The observations for each waveleng
    15·1 answer
  • My Plate recommends that ______ of your nutritional intake comes from fruits and vegetables.
    15·2 answers
  • Two gasses in the air that cause rusting
    12·2 answers
  • In a laboratory experiment, students synthesized a new compound and found that when 11.01 grams of the compound were dissolved t
    10·1 answer
  • How minimising the use of cars can help save the ozone layer​
    6·1 answer
  • Which of the following increases the concentration of OH- ions?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!