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
Gnom [1K]
3 years ago
7

2.56 g of hydrogen reacts completely with 20.32 g of oxygen to form X g of water. X = g

Chemistry
2 answers:
maksim [4K]3 years ago
6 0

Answer:

22.88

Explanation:

correct have a g'day mate

Brilliant_brown [7]3 years ago
4 0

Answer:

Mass of water produced is 22.86 g.

Explanation:

Given data:

Mass of hydrogen = 2.56 g

Mass of oxygen = 20.32 g

Mass of water = ?

Solution:

Chemical equation:

2H₂ + O₂   →  2H₂O

Number of moles of oxygen:

Number of moles = mass/ molar mass

Number of moles = 20.32 g/ 32 g/mol

Number of moles = 0.635 mol

Number of moles of hydrogen:

Number of moles = mass/ molar mass

Number of moles = 2.56 g/ 2 g/mol

Number of moles = 1.28 mol

Now we will compare the moles of water with oxygen and hydrogen.

                    O₂            :            H₂O

                     1              :             2

                  0.635        ;            2×0.635 =  1.27

                   H₂             :              H₂O

                    2              :              2

                 1.28            :           1.28

The number of  moles of water produced by oxygen are less thus it will be limiting reactant.

Mass of water produced:

Mass = number of moles × molar mass

Mass = 1.27 × 18 g/mol

Mass = 22.86 g

 

You might be interested in
If I started with 42.00 L of oxygen (O2) gas, how many grams is that?
belka [17]

Answer:

42 liters of oxygen (liquid) weighs 47900 grams.

Explanation:

5 0
2 years ago
Catalytic converters made of palladium (pd) reduce automobile pollution by catalyzing the reaction between unburned hydrocarbons
Doss [256]
Unburned hydrocarbon on reacting with oxygen undergoes combustion reaction. However, the activation energy of this reaction is significantly high. When a catalyst like Pd is added to the reaction system, it provides active sites for the reaction to occur. It acts are a heterogeneous catalyst. It is pertinent of note that catalyst is refereed as heterogeneous, when it exist in different phase as compared to reactant and products. In present case, reactants and products are in gas phase, while catalyst is in solid phase. Due to availability of larger surface area at active site of Pd, activation energy of reaction decreases and decrease in activation energy favors higher reaction rates. 
3 0
3 years ago
The water released by the reaction (mass = 0.00020 g) was calculated as was the
olga55 [171]
I’m not to sure but let me figure it out hold up
7 0
3 years ago
Methanol (CH3OH) has a heat of fusion of 3.16 kJ/mol. Which of the following is the heat of solidification that occurs when 64 g
Alexandra [31]
To determine the heat dissipated when a substance freezes, we multiply the heat of fusion of the substance to the mass of the substance that freezes. We calculate as follows:

Heat = -3.16 (64/32.06) = - 6.32 kJ

Hope this answers the question.
5 0
3 years ago
Read 2 more answers
The periodic table is based on an element's
nasty-shy [4]

Answer:

Atomic number

Explanation:

7 0
2 years ago
Other questions:
  • A patient being treated for thyroid cancer is to receive a dose of iodine-131. The typical dose is 4.5 uCi/kg of body weight.
    8·1 answer
  • Which of the following is the correct formula for potassium nitrite? kn kno kno2 k2no
    13·2 answers
  • If more solute can be dissolved in a solvent, the solution is
    10·1 answer
  • In the coal-gasification process, carbon monoxide is converted to carbon dioxide via the following reaction: CO (g) + H2O (g) ⇌
    7·1 answer
  • A compound has 15.39 g of gold for every 2.77 g of chlorine.
    8·1 answer
  • What is the correct name for the following compound?<br> LIAF
    10·1 answer
  • Please help asap. Didn’t have the right subject so i used the one closest to it.
    5·1 answer
  • Read the quote: "No tears in the writer, no tears in the reader." Which best explains the meaning of this quote?​
    11·1 answer
  • in a petri dish, a certain type of bacterium doubles in number every 30 minutes. there were originally 16, or 2^4, bacteria in t
    14·1 answer
  • Select all the correct answers.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!