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A block which weighs 50.0g is put in Bromoform. Bromoform's density = 2.890 g/cm^3. Assume that the block is 40.0% submerged. What is the density of the block?
According to the following balanced reaction, how many moles of NO are formed from 8.44 moles of NO2 if there is plenty of water present? 3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
In the context of small molecules arrange these intermolecular forces by strength:hydrogen bonding, london dispersion forces, and dipole-dipole interactions
A steel tank has a volume of 438 L and is filled with 0.885 kg of O2 at 21°C. What is the pressure within the tank?
Ammonia burns in pure oxygen and reaction produces nitrogen and water. What is the amount of Nitrogen produced from 45.0 g NH3?
what is the minimun number of coulombs required to produce 1.06 mol of gold?
A sample containing both enantiomers is found to have an observed rotation of +0.87 degrees in a one dm tube at a concentration of 0.025 g/mL. What is the optical purity of the sample? What is the % of the dominant enantiomer in this sample?
How many milliliters of 0.20M NaOH do you need to neutralize 40.0 ml of 0.12M acetic acid?
when 31g of phosphorus reacts with oxygen, 71g of an oxide phosphorus is the product. What mass of oxygen is needed to produce 13g of this product?
elemental exonium not a real element consists of two major isotopesabundance mass59 94 amu41 112 amuwhat is the atomic
A 2.30mL of seawater contains about 4.00x10^-10g of gold. The total volume of ocean water is about 1.50x10^21 L. Calculate the total mass of gold found in the worlds oceans in grams
write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene
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