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）

SAT2化学真题一道what is the approximate molarity of water? 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） SAT2化学中的一道题If you have 0.15 equivalents of H3PO4(full reaction or full neutralization occurs),how many moles of H3PO4 do you have?(A)0.05(B)0.15(C)4.9(D)9.8(E)98.0 SAT2化学中的一道题The ionization energy of Argon(Ar) is greater than1.Chlorine(Cl)2.Phosphorous(P)3.Neon(Ne)(A)1,2,and 3(B)1 and 2 only(C)2 and 3 only(D)1 only(E)3 only这道题我问过一次,不过没太弄懂～我主要不能判断稀有 SAT2化学的一道判断题The entropy of a solid increases when it is dissolved in solvent BECAUSE it becomes less ordered.上面这句话是完全正确的,但谁能帮我解释一下为什么? 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 SAT2化学真题该如何选择? SAT2 判断题一道At equilibrium,the reactants and products have reached the equilibrim concentrations. SAT2物理中的一道题,有关Heisenberg uncertainty principleThe Heisenberg uncertainty principle states that(A)we can measure the position of an electron only if we know its momentum(B)we can measure the momentum of an electron only if we know it SAT2物理中的一道题Each and every person on earth is made of atoms that originated in(A)the food we eat(B)the ancient stars(C)our mother's body(D)the oceans(E)the earth这道题选B,感觉很不靠谱～ sat2数学的一道题：if f(x)=e^x and g(x)=sin x,then the value of f(g(根号2)) is?7,我不是不会做,我是想知道那个e是什么,在计算器上是哪个键.如果这个e是自然对数的底数,那答案就不是2.7了.能告诉我e到底 一道急需解决的SAT2 Math问题The set of odd intergers is closed under?正答：multiplication SAT2一道物理题..The volume of a given mass of gas will be doubled at atmospheric pressure if the temperature of the gas is changed from 150 to .. 一道SAT2物理题,Q:When a woman pushes on her grocery cart,the woman moves because of ()the answer is the force that the ground exerts on the woman.In light of the net force,the woman horizontally gets the opposite reaction from the cart and the f SAT2物理中的一道题The International Space Station is currently under construction.Eventually,simulated earth gravity may become a reality on the space station.What would the gravitational field through the central axis be like under these cond 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 SAT2数学题一道,请求详解Which of the following describes the right and left behavior of the graph of f(x)= -3x^7 +2x^5 -3x +6?A Rises right and leftB Falls right and leftC Falls left,rise rightD Rises left,falls rightE Cannot be determined SAT2物理的一道题,有关气体的If the volume of a gas is decreased while its temperature is held constant,which of the following will occur?(A)The average kinetic energy of the molecules of the gas will increase(B)The average kinetic energy of