Answer : The mass of oxygen gas produced will be 4.45 grams
Explanation : Given,
Mass of water = 5.2 g
Molar mass of water = 18 g/mole
Molar mass of 
= 32 g/mole
The balanced chemical reaction will be,
First we have to calculate the moles of water.
Now we have to calculate the moles of oxygen.
From the balanced chemical reaction, we conclude that
As, 6 moles of water react to give 6 moles of oxygen gas
So, 0.139 moles of water react to give 0.139 moles of oxygen gas
Now we have to calculate the mass of oxygen gas.
Therefore, the mass of oxygen gas produced will be 4.45 grams
Answer:
2.7 mL
Explanation:
The equation of the reaction is;
2AlBr3 + 3Cl2 -----> 2AlCl3 + 3Br2
Number of moles in 2.12 x 1022 formula units of aluminum bromide
1 mole of AlBr3 = 6.02 * 10^23 formula units
x moles = 2.12 x 1022 formula units
x = 2.12 x 1022 formula units * 1 mole/ 6.02 * 10^23 formula units
x = 0.0352 moles of AlBr3
According to the reaction equation;
2 moles of AlBr3 produces 3 moles of Br2
0.0352 moles of AlBr3 produces 0.0352 moles * 3 moles /2 moles
= 0.0528 moles of Br2
Mass of Br2 produced = 0.0528 moles of Br2 * 159.808 g/mol
Mass of Br2 produced = 8.44g
But density = mass/volume
volume = mass/density
volume of Br2 = 8.44 g/ 3.12 g/mL
volume of Br2 = 2.7 mL
Answer:
protons are positive and neutrons are neutral, both are in nucleus
Explanation:
Answer:
Mold fossil
Explanation:
It's called a mold fossil because they are formed when sediments bury an organism and then the sediments are changed into rock; then the organism decays thereby leaving a cavity in the shape of the organism
Answer:
The answer for the question is Newton
