Examlex
A substance is known to contain 2.00 g of carbon for every 5.33 g of oxygen.How many grams of carbon will be present in 55.0 g of this substance?
Abbreviation
A condensed version of a word or phrase used for space-saving or to avoid repeating.
Material
Substances or components from which things can be made or constructed.
Coughing Up
The act of forcefully expelling substances from the throat or lungs through the mouth, often a symptom of respiratory conditions.
Trachea
The windpipe; a tube that connects the pharynx and larynx to the lungs, allowing the passage of air.
Q12: Which is the limiting reactant when
Q18: What is the molecular formula of a
Q31: What is the atomic number of selenium?<br>A)34<br>B)16<br>C)14<br>D)38
Q32: Calculate the number of moles of excess
Q56: Which gas will diffuse most rapidly?<br>A)CO<sub>2</sub><br>B)N<sub>2</sub><br>C)He<br>D)Cl<sub>2</sub>
Q68: In nature most matter exists as pure
Q74: Physical properties include all the following except<br>A)boiling
Q76: The "alkaline earth metals" are in group<br>A)1A<br>B)2A<br>C)7A<br>D)8A
Q100: If the temperature of a system increases
Q101: The following reaction: NaCl + AgNO<sub>3</sub>