List the number of each atom in the formulas above: H O C I just need the carbon
2 answers:
Answer:
In all all the given formulas the number of atoms of hydrogen , oxygen and carbon are same that 8,1 and 3 respectively.
Explanation:
Point at which lines are intersecting is denoted as carbon atoms
Number of atoms of different elements in following formulas:
1)
Number of hydrogen atom = 8
Number of carbon atoms = 3
Number of oxygen atoms = 1
2)
Number of hydrogen atom = 8
Number of carbon atoms = 3
Number of oxygen atoms = 1
3)
Number of hydrogen atom = 8
Number of carbon atoms = 3
Number of oxygen atoms = 1
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Answer:
4.5 kilograms of silicon dioxide is required to produce 3.00 kg of SiC.
Explanation:
The balanced equation for the reaction between silicon dioxide and carbon at high temperature is given as:
1 mole silicon dioxide reacts with 3 moles of carbon to give 1 moles of silicon carbide and 2 moles of carbon monoxide.
Mass of SiC = 3.00kg = 3000.00 g
1 kg = 1000 g
Molecular mass of SiC = 40 g/mol
Moles of SiC =
According to reaction, 1 mole of SiC is produced from 1 mole of silicon dioxide.
Then 75 moles of SiC will be produce from:
of silicon dioxide.
mass of 75 moles of silicon dioxde:
4.5 kilograms of silicon dioxide is required to produce 3.00 kg of SiC.