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What is an ion and how does ionic bonding works? How does ionic boding lead to ion-ion intermolecular forces, or ion-dipole intermolecular forces?
A 0.100g of plant food was reacted and 0.963g of MgNH4PO4*6H2O was recovered. What is the mass% of P in the original sample?
what is the [OH-] concentration of a solution that is 0.225 M in Na2CrO4(i.e., the sodium salt of chromic acid)
Why is the boiling point of a cyclohexene and water mixture less than 83 degrees, the boiling point of cyclohexene
Explain how would you make 100mL of a carbonic acid buffer at 0.2 M and pH = 9.8 utilizing 0.5 M HCO3 and either 0.1 M NaOH or 0.1 M HCL and water
the xylene that received has a density of 0.86 g/ml. Its volume is 2.0 ml, and its concentration is 0.069 g/ml. First of all, need to dilute the solution to a 1:100 ratio (ex: 69000 µg/ml to 690 µg/ml). How do dilute the solution to a 1: 100 ratio..
A solution is prepared by dissolving 18.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 50.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
calculate the molecular weight of phosphorus if 2.3437 grams are dissolved in 50.00 grams of para-dibromobenzene and the solution freezes at 81.35 degrees C. What is the molecular formula for phosphorus
The work performed by a system against the atmospheric pressure to which it is kept open during an experiment in the lab is equal to.
1. Name at least two environmental threats to coral reefs. 2. What sort of relationship do the cleaning wrasse and cleaning shrimp have with their hosts?
The pressure of a gas is 1000 mmHg at 475 K. At the constant volume the temperature is increased to 3200 K. What will be the new pressure exerted by the gas?
a condenser is to be supplied with 0.0095 m3s of cooling water at 25oc. what diameter of schedule 40 pipe should be
Mixing 25.0mL of 1.2 M HClO4 and 25.0mL of 1.1M NaOH were mixed. The temperature of the preliminary solution was 22.4'C. Presuming a Heat of Neutralization of 55.8 KJ/mol, define what would the final temperature be if the specific heat for this so..
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