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For which patient should the nurse question an order for cyclobenzaprine?

Consider the hydrazine molecule, N2H4.  Find the sum of all valence electrons used in the electron dot formula for N2H4.

Which of the following changes decrease the pressure of a gas?

Oxygen gas in air reacts with 5.75 g of hydrogen gas to give 51.2 g of water.  Use the conservation of mass law to predict the mass of reacting oxygen.       H2 (g)     +     O2 (g)      →      H2O (l)

An emerald has the chemical formula Be3Al2Si16O18.  What is the percentage of aluminum in the gemstone?

Which two symptoms are possible complications of status epilepticus?

How many neutrons are in in the nucleus of an atom of chlorine-37?

Refer to the periodic table and predict which of the following ions are isoelectronic with the noble gas neon:      (a)  Li+      (b)  Na+      (c)  Mg2+      (d)  F-      (e)  Cl-

Blood sugar, glucose, has a molar mass of 180 g / mol.  What is the molecular formula of glucose if the empirical formula is CH2O?

Write a chemical equation for the neutralization of aqueous acetic acid, CH3CO2H, with aqueous sodium hydroxide, NaOH, to give aqueous sodium acetate plus water.     A.  CH3CO2H (l)    +  NaOH (aq)            >     CH3CO2Na (aq)  +  H2O (l)   B.  CH3CO3H (aq)  +  NaOH (s)              >     CH3CO2Na (aq)  +  H2O (l)   C.  CH3CO2H (aq)  +  NaOH (aq)           >     CH3CO2H (aq)    +  Na2O (s)   D.  CH3CO2H (aq)  +  NaOH (aq)           >     CH3CO2Na (aq)  +  H2O (l)