Already have an account? Get multiple benefits of using own account!
登录in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
忘记密码？我现在如何恢复密码！
Enter right registered email to receive password!
一定的二阶反应（）在27时的速率常数为1.80×10-3，最初的半衰期为216。一半寿命后反应物的浓度是多少？
Discuss the advantages and disadvantages of a standard costing system in which the standard direct labour rates per hour are not changed during the year to reflect events such as a new labour contract.
25 C时的3.00 L容器含有0.464 atm的二氧化碳。当将石墨添加到容器中时，将一些CO2转换为CO，并且在平衡下，总压力为0.746 atm。
A hot air balloon is filled with air to a volume of 4.00x10^3 meters cubed at 745 degrees celcius. the air in the ablloon is then heated to 62 degrees celcius, causing the balloon to expand to a volume of 4.20x10^3 meters cubed.
Interhalogens are covalent compounds when one halogen is bonded with another halogen. When 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?
将氰化钾的溶液KCN溶液添加到铜（II）硫酸盐五水合物（[Cu（H2O4）] SO4.H20）中。wrtie预期复合离子的公式。
Develop a scorecard and dashboard illustrating the key indicators and send the samples and a memo to the board members
将.755g NaHCO3的样品溶解在25ml的.960 m HCl中。加热后，需要6.7 ml的.601 m NaOH来中和不中度的多余酸
A reaction where A +B ? C +D has a ? Go' of 5 kcal/mole and the concentrations are for A through D, respectively 10 mM, 5 mM, 2 mM and 3 mM. Find the ?G' and state if favorable or not.
网络模式：什么是面向连接的网络？可以操作几种模式，它们是什么？
Create the logic for a program that continuously prompts the user for a number of dollars until the user enters 0. Pass each entered amount to a conversion method that displays a breakdown of the passed amount into the fewest bills; in other words..
A proton in a linear accelerator has a de Broglie wavelength of 117pm. what is the speed of the proton?
A solution of acid was found to have a hydrogen ion concentration of 0.03 mol dm-3 what is the pH of the solution?
The GMC Sierra 15 Hybrid 2WD, a hybrid electric vehicle, has an EPA gas mileage rating of 23.0 mi/gal on the highway. How many kilometers can the Sierra 15 Hybrid 2WD travel on the amount of gasoline
如果对MGSO4 7H2O的2.743g样品进行了强烈加热，那么冷却的脱水盐的预期质量是多少？（使用M = 246.471g mol-1作为MGSO4 7H2O的摩尔质量。
辛烷值在20 C时的密度为0.692 g/ml。燃烧1.50加仑的C_8H_18需要多少克O_2？
Calculate the mass percent of a solution that is prepared by adding 35.9 gram of NaOH to 30.2 g of H2O.
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 38.0 mL of 0.480 M Cd(NO_3)_2 solution
A green leaf has surface area 2.05 cm^2. If solar radiation is 1190 W/(m^2) , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
一块汞占0.750 L.乙醇占量相等的质量会占据什么体积？汞的密度为>，乙醇的密度为0.789 g/ml。
If 28 mL of NaCl reacts completely with 46 mL of 0.44 AgNO3, what is the molarity of the NaCl solution? The reaction is: AgNO3 + NaCl = AgCl + NaNO3
A 1.0 L solution has a mixture of 0.05 M NaH2PO4 (pKa = 6.86) and 0.10 M Na2HPO4. How much 1.0 M NaOH should be added to bring the solution to pH 7.4?
在pH 2的酸性矿山水中，O2的分压值是多少，其中Fe2+= Fe3+。
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
WhatsApp：+1-415-670-9521
电话：+1-415-670-9521
Email:info@expertsmind.com
beplay安卓下载