Author: Anonymous

Use the solubility table to determine the physical state for each compound when formed in water. Use “s” for solid and “aq” for aqueous.

A student in the laboratory is given a rectangular metal block to identify. The student measures the dimensions of the block and records the following measurements: Length = 4.00 cm, Width = 2.00 cm and Height = 5.00 cm. If the mass of the block is 108.0 g, what is the density of the block in g/mL?  What is a possible identity of the block?

Which of the following diseases are transmitted primarily by airborne transmission? 1. Tuberculosis 2. Measles 3. Smallpox 4. Viral hemorrhagic fever

Approximately what percent of hospitalized patients develop a health care- associated infection?

Which of the following is an expected role of a respiratory therapist? 1. Promoting lung health and wellness 2. Providing patient education 3. Assessing the patient’s cardiopulmonary health status 4. Selling oxygen (O2) therapy devices to the patient

Write the coefficients (in order) needed to balance the equation. Separate the coefficients with a comma (e.g. 1, 2, 3). Physical states do not need to be included.__NaHCO3 → __Na2CO3 + __H2O + __CO2[response_blankA]

Write the correct name of the following compounds.A) Cu3(PO4)2: [response_blankA]B) P4S3: [response_blankB]C) HCl(aq): [response_blankC]D) MgBr2: [response_blankD]E) HNO2(aq): [response_blankE]

Write the formula (and charge) for each ion.A) Ammonium: ___B) Aluminum ion: ___C) Oxide: ___ NOTE: Chemical formulas typed without proper formatting (“H2O”) will be marked incorrect.NOTE: To insert a subscript use the down “

Based on its group number, write the charge an ion would have for an element in each group.A) Group 13: [response_blankA]B) Group 15: [response_blankB]

In a balanced chemical equation, what does each coefficient tell you?