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What Force holds NaCl units together?
What force gives water unique properties?
Why does ice have a lower density than liquid water does?
Explain why oxygen, nitrogen and flourine are elements in molecules that form strong hydrogen bonds?
How is the strength of London dispersion forces related to the number of electrons?
What is nonpolar Cf4 or Ch2F2
Which substance liekly has a higher boiling Point? Explain
Explain why NH3 has a much higher boiling point than PH2
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm. Calculate ?E, ?H, and w for these processes
Gravimetric analysis
The elements silver, molybdenum, and sulfur combine to form Ag2MoS4. What is the maximum mass of Ag2MoS4 that can be obtained if 8.63 g of silver
Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chlorate, KClO3(s). Write the balanced equation. How many moles of oxygen are produced from 12 moles of potassium chlorate?
Executed a mixed aldol condensation reaction by reacting an aldehyde with a ketone using sodium hydroxide as our base. Dibenzalacetone was ready by condensation of 1 mole of acetone with two moles of benzaldehyde. Define the intermediate ß-hydroxy..
What is the order of the reaction with respect to sucrose and the value of the rate constant k
Problem- Which of these electron configurations are for atoms in the ground state. In excited states? Which are impossible
Determine how many grams of oxygen gas would be needed to combine exactly with 13.2 kg of propane (C3H8) gas (the 3 and the 8 are subscripts).
What is the concentration of hydronium ion in an aqueous solution at 25 degrees C has a hydroxide ion concentration of 0.000038?
If 32.0 g CaC2 are consumed in this reaction, how many moles of H2O are needed?
Give all of the possible alkenes formed in the dehyration of the following alcohols: a) 1-methylcyclohexanol b) 2-methylcyclohexanol c) 1-hydroxymethylcyclopentane d) 3,3-dimethyl-1-butanol
If the volume of the reaction vessel in part (b) was 1.50 , what amount of (in moles) was formed during the first 15.0 of the reaction
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