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铜（II）氢氧化物 +乙酸（HC2H3O2）的平衡方程是什么？什么是反应，单一或双重替代。
The problem states: Find dw/dt (a) using the appropriate chain rule and (b) by converting w to a function of t before differentiating.
一家大型酒店连锁店目前正在扩大，并决定使用质朴风格来装饰所有新酒店。邀请Backwoods Incorporated向酒店连锁店提出竞标。说明每单位偏僻地区最低价格应竞标。
If the manufacturer wants to keep the mean at 12.8 ounces but adjust the standard deviation so that only 2% of the bags weigh less than 12 ounces, how small must that standard deviation be?
Is there a vector r such that the directional derivative of f at (1,1,0) in the direction of r equals 1? If there is, find one such vector. If not, explain why not.
To what extent does "The Garden Party" appear to embody feminist values?
Chloral hydrate, a sedative, contains C 14.52%, H 1.83%, Cl 64.30%, and O 19.35%. If it has a molar mass of 165.42 g, what is the molecular formula of chloral hydrate?
If Hoffman accepts the special order, the company would not have to pay its salespeople their normal commission of $2 per unit, but the company would incur a shipping cost of $3 per unit on the items in the special order. If Hoffman accepts the sp..
A person's fortune increases at a rate to the square of they're present wealth. If the person had one million dollars a year ago and has two million today then how much will the person be worth in six months?
该公司以5,000个单位的数量产生了25,000美元的工厂间接费用。如果数量增加到10,000，则说明预期的总开销成本将是多少？
在查看有机化合物时，您怎么知道什么是饱和？这里有些例子？
3H2（g） + N2（G）2NH3（G），对于此氮固定反应，在500°C下KC = 6.0×10-2。如果在平衡处存在0.250 m H2和0.050 m NH3，则N2的平衡浓度是多少？
3.5 g的烃燃料被燃烧在包含250的容器中。克最初在25.00 c的水中燃烧，燃烧后，水的温度为26.55 C.
At a certain temperature, K = 9.1 10-4 for the following reaction. FeSCN2+(aq) Fe3+(aq) + SCN -(aq)
The half of cesium-137 is 30.2 years. If the initial mass of sample of cesium-137 is 1,000 g, how much cesium will remain after 151 years.
calculate the osmotic pressure in mm Hg of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions
If a 180 mg piece of gold (density =19.32 ) is hammered into a sheet measuring 2.41.0 , what is the average thickness of the sheet in meters.
计算加热3.9公斤金条从28度摄氏摄氏度加热到68度摄氏度所需的热量。给定黄金的比热容量= 0.128 j/g°C。
用HCl的溶液处理10g的Caco3，在STP处产生1.12升CO2。找出溶液中HCl的摩尔数量
摄氏三种气体的初始浓度为3m H 2 s，.3h 2和.150 s 2您只需要确定所有这些给定的3个气体的平衡浓度吗？
A cube of osmium metal 1.500cm on a side has a mass of 76.31g at 25°C. Calculate the mass of 0.1500L of benzene at this temperature.
The air track carts in the figure are sliding to the right at 1.0 meter per second. Find the speed of the carts.
确定该化学式中原子的总数，并计算溶质的摩尔质量以及溶液中有多少摩尔摩尔？
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