# Posts by kerrie

Total # Posts: 21

math
Edgar used 10 x d to represent the number of pennies in d dollars? Is this reasonable?

math
Found it ! Thanks !

math

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 the 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 Don't 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)-

Precalc growth and decay
Alison deposits \$500 into a new savings account that earns 5 percent interest compounded annually. If Alison makes no additional deposits or withdrawals, how many years will it take for the amount in the account to double? the answer is 15 but i think its 14. please explain.

government and politics
what is a superlobbyist?

MsSue- re
im sorry my post appeared twice it didn't show my question when i looked then when i posted it again it was there. Im sorry my computer is a bit slow. thankyou for your help now you have explained the question ive got an idea what i need to do. Thankyou again!

year 8 re-Re teachers
i posted this question before but can`t see it on the page.sorry if it is there. please could someone help me i need to write an essay for re . i don`t really understand what to do. if someone could explain the question id be very grateful.We had a supply teacher but she wasn...

year 8 RE - re teachers
Please could someone help me with my re homework. i need to write an essay.this is the question:- Show how religious beliefs and practices may be connected to the needs and concerns of people living at different times and in different situations. Please could you explain what ...

com 150
i would like to make a thesis statement about why do they keep going up and down

com 150
i need help with a good thesis statement for gas and oil prices

respiratory
I need help interpreting an arterial blood gas. The ph is 7.36, PCO2 is 54,the HCO3 is 32?

history-the gold rush
does anyone know good websites where i can find info about the gold rush. i need to make a journal and include information about what the journey was like, how i heard about it things like that. thanks!