chemistry
How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21C?
chemistry
A sample of helium gas has a volume of 325L at 25C and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?
chemistry
Calculate the number of atoms in each of the following. A)1.50g potassium B)0.470g of oxygen C)0.555g of silver chlorate,AgCIO3 D)7.57 of platinum please help i do not understand this
chemistry
Complete, Balance and classify the chemical reaction....please help do not understand A)Li(s)+AuCL3(aq)-> B)AL(NO3)(aq)+K2CO3(ag)-> C)Ba(s)+F2(g)-> D)SnCI2(aq)+Na3PO4(aq)-> E)Na+AICI3(s)->
chemistry
Calculate the percentages of C,H,and O in C22H44O22.
chemistry
Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to preapre 5L of 0.1M nitric acid?
chemistry
What is the molar concentration of calcium hydroxide that has 0.185g solute in 100ml solution?
chemistry
Concentrated HCI is 12M. What is the molarity of an HCI solution prepared by dilluting 10ml concentrated HCI to a total volume of 250ml?
chemistry
Calculate the molar concentrations for each of the following solutions: A)1.5g NaCI in 100 ml solution B)1.5g K2Cr2O7 in 100 ml solution C)5.55g Na2SO4 in 125 ml solution D)20g MgBr2 in 250ml solution
chemistry
How would you prepare the following solutions? A)2%NaCL(w/v) B)0.35M glucose C)0.12M CaCI2
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