The answer is D. easier, higher
Ethene react with oxygen at a molar ratio:
Convert the quantity of each reactant supplied to number of moles of particles:
The question stated not whether both reactants were used up in this process. Thus start by testing the assumption that e.g., ethene was used up while some oxygen gas were left unreacted (ethene as the <em>limiting </em>reagent.) Under this assumption, the relative availability of the two species, and (as seen in the balanced chemical equation) shall satisfy the relationship
In other words,
Evaluating the expression with data given in the question yields approximately , which does satisfy the relationship. Hence the assumption holds and ethene is the limiting reactant.
The quantity of a reactant produced in a chemical reaction is related to its stoichiometric (of relating to proportions) relationship with the limiting reactant (or any of the reactants in case of more than one limiting reactant.) For this scenario, given the molar ratio ,
Answer:
what does it mean by two repeat units
Option A is incorrect because phenol exists in liquid state at room temperature and its boiling point is 181 °C.
Option B is incorrect because there is no ether linkage in phenol. Its chemical formula is Ph-OH.
Option C is correct. As the chemical formula cited above contains hydroxyl group (i.e. -OH).
Option D can be considered incorrect because only one derivative of phenol (<span>Guaiacol</span>)is used as flavoring agent in whisky.
Answer:
In this conditions, the gaswll weight 46.74 g.
Explanation:
The idal gas law states that:
PV = nRT,
P: pressure = 740 mmHg = 0.97 atm
V: volume = 14.5 L
n: number of moles
R: gas constant =0.08205 L.atm/mol.K
T: temperature = 29°C = 302.15K
1 mol gas ___ 82 g
0.57 mol gas __ x
x = 46.74 g