wanszeto

[匿名]

回覆: 1

2017-10-30 11:17 am

Chemistry help please and fast!!?

[匿名]

回覆: 1

2017-10-30 9:38 am

calculate molarity of 2.00 x 10–3 mol cobalt(II) sulfate in 35.0 mL of solution?

[匿名]

回覆: 1

2017-10-30 8:46 am

A gaseous mixture contains 411.0 Torr of H2(g),382.1 Torr of N2(g), & 67.5 Torr of Ag(g). What will be the mole fraction of Xh2, XN2, XAr?

[匿名]

回覆: 2

2017-10-29 11:51 pm

how do you write dilute in an equation? for example dilute hydrochloric acid?

[匿名]

回覆: 1

2017-10-29 11:00 pm

Chemistry Problem?

[匿名]

回覆: 4

2017-10-26 3:47 pm

Acidified MnO4^2- is added to Na2SO3. When writing the half equations do you use Na oxidising to Na+ or SO3^2- oxidising to SO4^2-?

[匿名]

回覆: 1

2017-10-25 12:48 pm

Consider the following reaction: 2SO2(g) + O2(g) ->> 2SO3(g)?

[匿名]

回覆: 3

2017-10-25 9:58 am

Which of these compounds have the same empirical formula?

[匿名]

回覆: 2

2017-10-25 10:05 am

What is the mass (in grams) of 7.14 x 10^23 molecules of C6H12O6?

[匿名]

回覆: 3

2017-10-25 8:55 am

How many electrons are in an atom with 33 protons and 42 neutrons?

[匿名]

回覆: 2

2017-10-24 1:00 am

Relative atomic mass of O2= Mass(g) = 64 Moles= can someone help me with my chemistry homework. I got 32 for RAM and it already says it's?

[匿名]

回覆: 1

2017-10-23 2:31 pm

Why is the mass of the crucible not determined while it is hot? 5 STARS?

[匿名]

回覆: 2

2017-10-23 11:25 am

Which of these following compounds are covalent?

[匿名]

回覆: 3

2017-10-22 10:08 pm

HP persamaan sin(3x-15)°=¹/²√2 untuk 0°<x<180° adalah?

[匿名]

回覆: 1

2017-10-22 4:52 pm

Atomic Spectra: Why is the answer 2? 10 ptss?

[匿名]

回覆: 2

2017-10-20 8:17 pm

Calculate the equilibrium constant K of the reaction?

[匿名]

回覆: 1

2017-10-20 2:41 pm

In the following reaction, 4.58 L of O2 was formed at P = 745 mmHg and T = 308 K.?

[匿名]

回覆: 2

2017-10-20 10:14 am

How many mL of 0.500 M NaOH would you have to add to neutralize the remaining excess HCl(aq) in the reaction?

[匿名]

回覆: 1

2017-10-19 12:27 am

Oxidation number??? HELP?

[匿名]

回覆: 1

2017-10-18 1:20 pm

Chemistry Molarity help please!?

[匿名]

回覆: 2

2017-10-18 12:04 pm

Complete the following nuclear equation. Write the nuclear symbol for the unknown product.?

[匿名]

回覆: 1

2017-10-18 10:55 am

chem help?

[匿名]

回覆: 2

2017-10-18 8:36 am

What is the product of the following Diels-Alder reaction?

[匿名]

回覆: 6

2017-10-17 10:21 pm

((1/(15^(15/16))+15^(1/16)?

[匿名]

回覆: 3

2017-10-17 6:03 pm

Simplify the expression: 5-3(x^2+2x-5)+3x^2?

[匿名]

回覆: 2

2017-10-17 1:32 pm

Some Chem help :/?

[匿名]

回覆: 1

2017-10-16 4:26 pm

Reacting 3.00 mol N2 with 7.95 mol H2 will produce how many moles of ammonia according to the following balanced chemical equation?

[匿名]

回覆: 1

2017-10-16 4:48 pm

2NaI(aq)+Cl₂(g)-->I₂(s)+2NsCl(aq) How many grams of sodium iodine, NaI, must be used to produce 14.9 g of iodine, I₂?

[匿名]

回覆: 2

2017-10-13 12:57 pm

give the name for the most common compound resulting from the combination of calcium, sulfur, and oxygen?

[匿名]

回覆: 2

2017-10-12 12:41 am

how many total moles of ions are released when 0.0822 moles of Na2HPO4 dissolves completely in water?

[匿名]

回覆: 2

2017-10-11 3:42 pm

Is the product of Zn(s)+2HCl(aq) --> ZnCl2(aq) + H2(g) Organic or inorganic? If organic is it halogenated? If inorganic whats the pH?

[匿名]

回覆: 1

2017-10-09 9:07 pm

Na(g)+Cl(g)→Na+(g)+Cl−(g), ΔH=?

[匿名]

回覆: 2

2017-10-09 3:02 pm

How many molecules are present in 9.19 × 10–4 g H2?

[匿名]

回覆: 2

2017-10-08 11:23 pm

Calculate the molarity of Na+ in 135 mL of a solution with 5.32 g NaCl and 1.20 g Na2SO4. Please tell and/or show how you got the answer.?

[匿名]

回覆: 1

2017-10-06 9:49 pm

Write the ionic and net ionic equation for the following reaction between: 1) S2o3 and HCl 2) CO3 and HCl?

[匿名]

回覆: 3

2017-10-06 4:38 pm

Which value is bigger?

[匿名]

回覆: 1

2017-10-04 9:56 pm

Find oxidation number of Na3[Co(CO3)3] Answer is 3?

[匿名]

回覆: 1

2017-10-03 4:14 pm

convert acetylene to lactic acid?

[匿名]

回覆: 1

2017-10-03 1:39 am

how many different ways can a president ,vice president ,secretary , and treasury secretary be chosen from a club with 10 members?

[匿名]

回覆: 3

2017-10-02 10:11 pm

Please help. I don't understand this question. https://s1.postimg.org/857bllapcf/123.png?

[匿名]

回覆: 1

2017-10-02 7:52 pm

Raoult s law?

[匿名]

回覆: 1

2017-10-02 11:23 am

Calculate the mass of soil in an area of 7000m2, depth of 12cm and a bulk density of 1.4 g/cm3. Express the mass in Kg or Mg.?

[匿名]

回覆: 1

2017-10-01 1:36 pm

chem help?

[匿名]

回覆: 2

2017-09-28 3:44 pm

What is the overall reaction discharge of the lead acid battery?

[匿名]

回覆: 7

2017-09-28 12:39 am

Find all the zeros of the function. f(x)=x^2(x+3)(x^2-1).?

[匿名]

回覆: 2

2017-09-27 8:36 pm

A stone is thrown vertically upward with a speed of 15.0 m/s from the edge of a cliff 75.0 m high?

[匿名]

回覆: 6

2017-09-27 3:35 pm

Find the derivative of f(x)=log(7-2x)?

[匿名]

回覆: 5

2017-09-27 11:53 am

more math because i'm an idiotic neanderthal ^3 (radical) 125 - 4 (radical) 4?

[匿名]

回覆: 1

2017-09-27 1:48 am

How do you know if a moment is clockwise or counter clockwise?

[匿名]

回覆: 3

2017-09-26 10:22 pm

Forces Problem?