Answer:
81.08g of H
O will be produced.
Explanation:
Write down the balanced chemical equation:
⇒ 
⇒ 
Determine the limiting reagent:
:- 126/63.12646 = 1.995993 mol
1.995993/2 = 0.9979965
:- 192/31.9988 = 6.000225 mol
6.000225/12 = 0.50001875
Therefore, , is the limiting reagent.
Use stoichiometry ratios to determine the number of moles of water produced:
: 
12 : 9
6.000225 : 4,500168756328362
Use the mole formula to calculate the mass of water produced:
Answer : The correct answer is 74.83 m/s .
The kinetic energy is energy possessed by any mass which is moving or have some speed . It is product of mass and velocity . It is expressed as :
Where KE = kinetic energy in J or 
m = mass in Kg v = speed in m/s²
Unit of KE is Joules (J) .
Givne : KE = 2100 J mass = 0.75 kg v = ?
Plugging value in KE formula =>
Dividing both side by 0.375 kg =>
Answer:
a mixture
Explanation:
A mixture is a material made up of two or more components joined together, but not chemically combined. In a mixture, a chemical reaction does not occur and each of its components maintains its identity and chemical properties.
A compound is a substance formed by the chemical combination of two or more different elements from the periodic table. The elements of a compound cannot be divided or separated by physical processes. They are not mixtures or alloys
An element is a type of matter made up of atoms of the same class. It is an atom with unique physical characteristics, that substance that cannot be decomposed by a chemical reaction.
The link below is a picture of the "Waning gibbus" phase, really hope that it helps you out :D
Answer:
192g
Explanation:
so for this find out there moles of CH4 by moles=mass/mr
48/16=3 then use molar ratio 1:2 so times it by 2 which is 6 moles. then uses mass =moles*mr so 6*32=192g is the answer hope this helps to understand.
