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
yulyashka [42]
2 years ago
7

What is the number of grams of N₂ (g) that contains 1.80 x 10^24 molecules?

Chemistry
1 answer:
svet-max [94.6K]2 years ago
7 0

Answer:

83.69 gm

Explanation:

molar weight of N2 = 28

Find the number of moles then multiply by this

1.8 x10^24/ (6.022x10^23)   * 28 =83.69 gm

You might be interested in
Analyse the temperature versus time graph of water, given below.
BlackZzzverrR [31]

Answer:

Phase C - Liquid State

Phase E - Gaseous State

Explanation:

Usually, in phases of water, we have the following;

When temperature is less than zero, it is said to be in its solid phase as ice.

When temperature is between 0 to 100, we can say it is in the liquid phase as water.

When temperature is above 100°C, It is said to be in the gaseous phase as vapour.

From the diagram;

Phase C is the only liquid state because it falls between temperature of 0°C and 100°

Also, only phase E is in the gaseous phase because the temperature is above 100°C.

3 0
2 years ago
Antibiotics are a type of medicine that kills bacteria. Antibiotics can be used to fight bacterial infections. Which of the foll
AysviL [449]

Answer:

Antibiotics are strong medicines that treat bacterial infections. Antibiotics won't treat viral infections because they can't kill viruses. You'll get better when the viral infection has run its course. Common illnesses caused by bacteria are urinary tract infections, strep throat, and some pneumonia.

Explanation:

antibiotics can treat bacterial infections, such as:

   Most sinus infections.

   Strep throat.

   Urinary tract infections.

   Pneumonia.

   Most ear infections (otitis media)

   Nasty bacterial skin infections (impetigo)

plz mark brainliest

7 0
3 years ago
You will need to prepare 12 mL of 25% Sodium Phosphate Buffer (pH 4) solution for Activity 2. What volume of the stock Sodium Ph
zhuklara [117]

Assuming the concentration of stock solution is 50% sodium phosphate buffer solution, the volume of stock solution required is 6 mL and the volume of water required is 6 mL.

<h3>What volume of a stock Sodium phosphate buffer and water is needed to 12 mL of 25% sodium phosphate buffer of pH 4?</h3>

The process of preparing solutions from stock solutions of higher concentration is known as dilution.

Dilution is done with the aid of the dilution formula given below:

  • C1V1 = C2V2

where

  • C1 is the concentration of stock solution
  • V1 is the volume of stock solution required to prepare a diluted solution
  • C2 is the concentration of the diluted solution prepared
  • V2 is the final volume of the diluted solution

From the data provided:

C1 is not given

V1 is unknown

C2 = 25%

V2 = 12 mL

  • Assuming C1 is 50% solution

Volume of stock, V1, required is calculated as follows:

V1 = C2V2/C1

V1 = 25 × 12 /50

V1 = 6 mL

Therefore, the volume of stock solution required is 6 mL and the volume of water required is 6 mL.

Learn more about dilution formula at: brainly.com/question/7208546

6 0
2 years ago
Consider the reaction CaCO3(s) --&gt; CaO(s) + CO2(g)
tankabanditka [31]

Answer:

Kc = [CO2], that is to say it is equal to the concentration of CO2

Explanation:

It is a heterogeneous equilibrium since the substances that participate in the reaction are in different phases

In the heterogeneous limestone decomposition reaction:

CaCO3(s) --> CaO(s) + CO2(g)

The equilibrium constants are:

Kc = [CO2(g)]; Kp = PCO2(g); Kc = Kp (R T)^ −(1−0) = Kp (R T)^ −1

The equilibrium situation is not affected by the amount of  solid or liquid, as long as these substances are present.

The equilibrium constant is independent of the  amounts of solids and liquids in equilibrium.

4 0
3 years ago
The acceleration of a runner who accelerates from 0 m/s to 3 m/s in 12s
Naily [24]
4 m/s^2


I hope this helps! 
5 0
3 years ago
Other questions:
  • An organic compound has a distribution coefficient of 1.5
    5·1 answer
  • What is 2(NH,4)Cr,2 O,7
    6·1 answer
  • A nanotechnology equipment requires 7.40 x 10^18 atoms of potassium. What is the mass of this sample?
    12·1 answer
  • If I add water to oil what will happen
    5·1 answer
  • if 140cm3 of methane diffuse into air in 72 sec,how long will it take 210cm3 of sulphur dioxide to diffuse under the same condit
    6·1 answer
  • What will happen if a peeled banana is put on a hotplate?
    14·1 answer
  • how many grams of solid lithium must be added to liquid after in order to obtain 15.0 L of hydrogen gas at STP?
    8·1 answer
  • Aqueous hydrochloric acid will react with solid sodium hydroxide to produce aqueous sodium chloride and liquid water . Suppose 1
    11·1 answer
  • A Bronsted-Lowry<br> _______is a molecule or ion that donates<br> a hydrogen ion in a reaction,
    6·1 answer
  • The aim of an experiment is to
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!