一道AP化学Which of the following CANNOT affect the extent of reaction?A.changing the temperature B.adding a catatlystC.increasing the amounts of reactants.D.removing some productE.changing the volume

一道AP化学Which of the following CANNOT affect the extent of reaction?A.changing the temperature B.adding a catatlystC.increasing the amounts of reactants.D.removing some productE.changing the volume 一道AP微积分题目If f is differentiable and difference quotients overestimate the slope of f at x=a for all h>0, which must be true?Answer: f''(a)>0 为什么= =我知道了……但是回答仍然给分！ 识别元素如下所示的电子构型的原子（ap化学）求大神帮助(Ne) 3s的平方 3p的平方________(Ar) 4s的平方 3d的平方________(Xe) 6s的平方米 _______indicate the block （s,p,or d）in which each of the following elements f AP微积分题If f is differentiable and difference quotients overestimate the slope of f at x=a for all h>0,which must be true?A f'(a)>0 B f'(a)0 D f''(a) 一道ap化学题.50.which of the following represents acceptable laboratory practice?A.adding a weighed quantity of solid acid to a titration flask wet with distilled water.B.using 10 ml of standard strength phenolphthalein indicator solution for ti 一道AP微积分题Which of the following functions is not odd?有个选项我知道它是odd function,但只有感觉,无法从式子上看出来：f(x)=x/(x^2+1),怎么把它化成多项式的样子再直接通过次数判断奇偶? 又一道急需解决的SAT2 Math If f(x)=X^2-3x+4,which of the following is an approximation of f(f(f(3+7/8)))?正答：1223.21 一道AP美国历史题During the 1930's,the Roosevelt administration did which of the following?(a) Ceded the Panama Canal Zone to Panama(b) Granted immediate independence to the Philippines(c)Formally renounced the right to intervene in Latin Ameri SAT2化学中的一道题,Of the following compounds,which has the highest boiling point?(A) CH3-CH3(B) CH3-CH2OH(C) CH3-COOH(D) CH3-COH(E) H2S上述几个如何通过化学键比较?（答案是E） 一道AP美国历史题The Fugitive Slave Act of 1850 made it legal to do which of the following A.Prevent an African American from testifying in his or her own defense B.Execute any slave who was proved to have escaped from his or her owner.什么te 一道AP宏观经济问题美联储会在萧条（recession）时做出什么政策?(a) 减税(b)增加政府spending(c)增加discount rate(d)增加required reserve ratio(e)purchase of bonds英文版:Which of the following policies might the Fed adop AP微观经济学：Which of the following is the defining characteristic of a capitalistic economyA well-functioning capital marketsB Private ownership and protection of propery rightsC fair distribution of income and low income taxesD equality of o 求问一道关于气体的化学英文题Consider two gases,A and B,in separate 1.0 L containers at the same temperature and pressure.The total mass of gas A in the container is 0.25 g and the mass of gas B in the container is 0.51 g.1.Which gas has 一道定语从句英语题The building over there is a library,_____is our gym.on the east of which还是east of which 英语的一道选择题 The days____you could travel without a passport are gone.A.of which B.on which C.C.in which D.that 一道SAT2数学题答好了我加分 if f(x)=x³-4x²-3x+2 which of the following are true?1.the function f is increasing for x≥32.the equation f(x)=o has two nonreal solutions3.f(x)≥-16 for all x≥0答案是1和3,为什么2不对?1,3 Which of the following is Which of the following is