Answer:
It will mess up the orbit around the sun
Explanation:
the states of the reactants and products
the temperature and pressure at which the reaction was carried out
the relative amounts of reactants and products
the type of catalyst that is used to speed up the reaction
whether the reaction can go in both directions
Explanation:
A chemical equation is an equation that shows how the reactants are combining together to give the products.
The following are the information to include when writing a chemical equation;
- the states of the reactants and products
whether solid, liquid or gases or aqueous, It is usually appended as a subscript in bracket
- the temperature and pressure at which the reaction was carried out
this shows the condition under which the reaction was carried out. It also gives useful information that can be used to quantitatively determine heat changes in a reaction.
- the relative amounts of reactants and products
this is usually derived from the balanced equation. They are the numbers appended at the beginning of the species in the equation
- the type of catalyst that is used to speed up the reaction
it is a good practices to provide the information about the catalyst used.
- whether the reaction can go in both directions
→ signifies one direction
⇔ both directions
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Answer:
The mass percent of sulfur is 28.12% (option 1)
Explanation:
Step 1: Data given
Atomic mass of Al = 26.98 g/mol
Atomic mass of S = 32.065 g/mol
Atomic mass of O = 16.0 g/mol
Step 2: Calculate the molar mass of Al2(SO4)3
In 1 molecule Al2(SO4)3 we have 2 Aluminium atom, 3 Sulfur atoms and 12 oxygen atoms
Molar mass of Al2(SO4)3 = 2*26.98 + 3*32.065 + 12*16 .0
Molar mass of Al2(SO4)3 = 342.155 g/mol
Step 3: Calculate the mass percent of sulfur
In 1 molecule Al2(SO4)3 we have 2 Aluminium atom, 3 Sulfur atoms and 12 oxygen atoms
Mass % sulfur = (3*atomic mass of S/ molar mass of Al2(SO4)3) * 100 %
Mass % sulfur = (3*32.065 / 342.155) * 100%
Mass % sulfur = 28.12 %
The mass percent of sulfur is 28.12% (option 1)
A penny is described as a coin having thickness of about 0.019 m as follows:




Answer:
Zero (0)
Explanation:
Since Na^+ has a charge of +1 and Cl^- has a charge of —1 in NaCl
Then the net = +1 —1 = 0