What is the correct name for SnCO3?

During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric acid was required to exactly neutralize 49.0 mL of sodium hydroxide. Determine the molarity of the base. H2SO4 (aq)   +   2 NaOH (aq) ⟶  2 H2O (l)   +   Na2SO4 (aq)      [balanced]

An aqueous solution has a OH- concentration of 2.6 x 10-7 M. Calculate the pH of this solution.

Predict the products for the following reaction (ignore balancing): Zn (s)     +     CrSO4 (aq)   ⟶    ______________________________________

Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850. mL sealed flask at 27.0oC.

The conjugate base of HClO3 is

Calculate the volume (in cm3) of 358 ng of manganese.  The density of manganese is 7.20 g/cm3.

What is the symbol of the element in Period 4 and Group 2A(2)?

Consider the combustion of octane (C8H18), given the following unbalanced equation: _____ C8H18    +    _____ O2  ⟶    _____CO2   +    _____H2O       [unbalanced] What is the mass of H2O (MM = 18.02 g/mol) will be generated by the complete combustion of 79.8 g of octane in excess oxygen?

Which of the following molecules would be expected to observe the highest melting point?

A sample of argon gas in a balloon has a volume of 438 mL at a temperature of 17.0 oC.  The gas temperature is then changed, and the volume increases to 837 mL.  Assuming constant pressure, what is the new gas temperature in the balloon?

Classify the following reaction: Li2O (s) +    H2O (l)  ⟶  2 LiOH (aq)   [balanced]

Convert 98.67 gal/m2 to mL/pm2.  

The molecule that contains two sulfur atoms and two chlorine atoms is named:

How many individual formaldehyde (CH2O = 30.03 g/mol) are found in a 32.0 mL sample of gaseous formaldehyde?  The density of formaldehyde is 0.815 g/mL.

Solid mercury(II) oxide decomposes when heated forming liquid mercury and oxygen gas as the only products. What mass of mercury(II) oxide must be decomposed in order to collect 0.386 L of oxygen gas under STP conditions?

Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850. mL sealed flask at 27.0 ∘C.

The predicted VSEPR molecular shape for CF2O.

Urea (CN2H4O) can be synthesized by a controlled reaction of ammonia and carbon dioxide via the following equation: 2 NH3 (g)  +  CO2 (g) ⟶   CN2H4O (s)   +   H2O (l)            [balanced] What mass of urea (MM = 60.07 g/mol) will be produced by the reaction of a mixture of 19.0 g of ammonia with 15.2 g of carbon dioxide? (Assume that the reaction goes to completion.)

The +3 ion of indium-111 (111In3+) consist of:

Calculate the mass of acid dissolved in 389 mL of 0.725 M HF.

Predict the products for the following reaction (ignore balancing): tin(II) nitrate (aq) + potassium phosphate (aq) --> ________________________________

What is the abbreviated electron configuration for tellurium (Te)?

Which of the following is a property of a solid?

The empirical formula of a compound is NO2, and its molar mass is about 92.g. What is its molecular formula?

Which of the following measurements clearly shows three significant figures?

The number of electrons in an ion with 20 protons and an ionic charge of 2+ is

A polar covalent bond is found in which of these compounds?

The strongest interactions between molecules of hydrogen ( H2) are

Is carbon tetrachloride a polar or nonpolar molecule?

What is the net ionic equation for the reaction that occurs between ammonium chloride and lead (II) nitrate.