math
Found it ! Thanks !
math
write a subtraction problem involovig regrouping that has ted reading 304 pages. answer your question
Chemistry
The decomposition of dinitrogen tetroxide produces nitrogen dioxide: N2O4 (g) ---> 2 NO2(g) ΔG°= 2.80 kJ/mol Find the minimum partial pressure of N2O4 at which the reaction is spontaneous if P(NO2)=2.00 bar and T=298 K.
Chemisty
How to calculate teh theoretical yield of aspirin to be obtained when 2.0 g of salicylic acid and 5.0 mL of acetic anhydride (density = 1.08 g/mL) are mixed together? ( Molar masses: acetic anhydride = 102.1 g/mol; salicylic acid = 138.2 g/mol)
CHEMISTRY
Water has a van der Waals constants of a = 5.464 L·atm/mol2 and b = 0.03049 L/mol. What is the pressure of 5.20 moles of water vapor in a 1.10 L container at 100.0°C? I Dont understand this problem!
chemistry
i did that! i got 7.86 but its wrong what di dyou get?
chemistry
If 6.90 g of (half-life = 5.30 y) are allowed to decay, how many grams would be left after 1.00 y and after 10.0 y?
spanish
can you revise this? Perdon, necesito ayudar en mi cuarto Si que es la probelma, senor? Mi cuarto es muy sucio, mi cuarto esta calor, no megusta la servicia, y los drogadictos esta en mi piso Todo esta bajo control Usted es el gerente? Senor, su cuarto puede ser limpiado. Los ...
chem
so i took a sat ii subject practice test and the question was true/false/ ionic bonds are the strongest bonds. answer was true but what about NETWORK COVALENT?
SCIENCE
GIVEN THE POSITIVE & NEGATIVE IONS, COMPLETE THE FOLLOWING BY WRITING A CHEMICAL FORMULA: NH4+, (C2H3OO)-
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