Oxygen in air can be removed using

You are given 96g of N2H4 and 92g of N2O4. How many grams of N2 will this reaction produce?

A 36.5 lb child has a Streptococcus infection. Amoxicillin is prescribed at a dosage of 25 mg per kg of body weight b. id What is the meaning of the Latin abbreviation b. i. d.

Give an example of a physical property that is also a characteristic property

What shape would a molecule with two bound groups and two lone pairs have? A. Trigonal pyramidal B. Tetrahedral C. Linear D. Bent

Using the Mohs standard hardness scale, which of the following scratch tests is correct? Scale Mineral 10 diamond 9 corundum 8 topaz 7 quartz 6 feldspar 5 apatite 4 fluorite 3 calcite 2 gypsum 1 talc Talc scratches calcite. Quartz scratches corundum.

How do the first ionization energies of main group elements vary across a period and down a group?

How many electrons does boron lose when forming a ion? A. 1 B. 2 C. 3 D. 4 (NOT D)

Which term best describes C2O4 2-? polyatomic anion polyatomic cation monatomic anion monatomic cation

Calculate the volume of H2 (g) at 273 K and 2.00 atm that will be formed when 275 mL of 0.725 M HCl solution reacts with 50.0 g Zn (s) to give hydrogen gas and aqueous zinc chloride. (R = 0.08206 L atm/K mol)

Based on this information what is the most likely reason for refrigerating most foods reduce the rate at which they spoil