Chemistry
1. Al + Pb(NO3)2 ----> Al(NO3)3 + Pb 2. FeS + O2 ----> Fe2O3 + SO2 3. C3H8 + O2 ----> CO2 + H2O I need some help balancing these equations. Thank you very much!
Chemistry (repost)
Pb(s) + KNO3(aq) ----> No reaction HNO3(aq) + Sr(OH)2(aq) ----> H2O + Sr(NO3)2 NO3 being Nitrate, and (OH)2 meaning 2 Oxygen and 2 Hydrogen atoms in the second problem. The second two in the products of the second problem is a subscript for NO3. Are these correct? Thank ...
Chemistry
Pb(s) + KNO3(aq) ----> No reaction HNO3(aq) + Sr(OH)2(aq) ----> H2O + Sr(NO3)2 NO3 being Nitrate, and (OH)2 meaning 2 Oxygen and 2 Hydrogen atoms in the second problem. The second two in the products of the second problem is a subscript for NO3. Are these correct? Thank ...
ecology
what is a stamen
Math
Find an equation of the parabola with vertex at the origin that passes through the point (-36, 2) and opens to the left. I believe you start with (x-h)^2 = 4p(y-k) and plug in the given point and (0,0), and solve for p. I got y^2 = 144x. Is this correct? Thank you!
Math - Algebra
Solve the inequality. n-1/3n < n-4/3n-4 (it's actually less than or equal to) My first instinct is to multiply 3n, but that'll just give me squares and makes it harder to solve. I also thought about getting a common denominator, but I'm not sure. Thank you!
Chemistry
In the Periodic Table, why does Group 2 and 17 bond together so easily? ~thanks
World History
Where can I find some information about Indian Ocean trade around 650 CE? Thank you :)
Spanish
How do you conjugate "sugerir" in present tense? Thank you!
biology
what is the definition, positives, negatives, and ethical issues of genatically modify organisims? thank you, but i prefere if you provide me with exact answers limited in one page rather than a general website Do not repeat your posts. Repeating the posts will not get you any...
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