Pls no links and no copying from other websites Score for Question 1: ___ of 5 points)

1. Consider the equation:S+3O2 → SO3

Is this equation balanced? Why or why not?

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(Score for Question 2: ___ of 5 points)

2. How do you know if a reaction is endothermic?

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0

explanation:

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rvmoo+478)9.68

11 players on a field that has a maximum of 11 players

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.  

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.