Examlex
A chemistry student determined the empirical formula for titanium sulfide (TixSy). To do so, she reacted titanium with excess sulfur in a crucible, and recorded the following data:
Weight of crucible 11.120 g
Weight of titanium 8.820 g
Weight of crucible and product 31.700 g
What is the empirical formula of titanium sulfide?
Clichés
Overused expressions or ideas that have lost their originality and impact due to excessive use.
Profession
A paid occupation, especially one that involves prolonged training and a formal qualification.
Abstract Words
Words that represent concepts, qualities, or ideas rather than concrete or physical objects.
Concrete Words
Words that denote objects or events that are immediately perceptible to the senses.
Q9: Production planning and scheduling is most likely
Q14: When 22.0 g NaCl and 21.0
Q68: The residential rate for natural gas is
Q69: Classify the following as a mixture, a
Q88: Which is the correct formula for lead(IV)chloride?<br>A)Pb<sub>4</sub>Cl<br>B)PbCl<sub>2</sub><br>C)PbCl<sub>3</sub><br>D)PbCl<sub>4</sub><br>E)Pb<sub>2</sub>Cl<sub>4</sub>
Q90: The electron in a hydrogen atom falls
Q97: How many electrons, protons, and neutrons are
Q104: What is the minimum mass of
Q105: A soft drink costs 75 cents for
Q157: How many moles of O atoms are