胡雪8°

For each solution, identify the ions that exist in aqueous solution & specify the concentration of each.?

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Please Help?

Two balls are drawn simultaneously at random; 6 red, 4 white & 5 blues. What is P(one is white and one is red)?

Is my answer correct to this math problem? Solve in x^n form. (2^-10/4^2)^7?

What geometries for the complex ion [Co(en)(H2O)4]2+ are possible?

A net force of 1,800 N is applied to a boat causing it to accelerate at 1.5 m/s^2. What is the mass of the boat?

Chemistry Help?????

chemistry help please how do I do this?

chemistry help please?

Are clouds affected with direction that wind blows?

What is the principle involved in extraction of chlorophyll by ethyl alcohol? Thanks a lot 💙?

solve the equation cos x = -0.5 for 0*(deg) <x<360*(deg)?

the question is share 171 in the ratio 3:7:9?

A 2.0 g sample of washing soda, Na2CO3 , 10 H2O has 2.4 x 10^21 carbon atoms. how many oxygen atoms are present in 2.0 g of washing soda?

Na3PO4+HCl->NaCl+H3PO4?

Find the eqn of tangents from origin to the circle x²+y²-6x+2=0?

What is the molar concentration of the solution? How many moles of solute are in the solution?What is the molar mass of the solute?

1.三角形三角比為3：4：5，求三角分別的度數?

請教,硫酸銅0.7x10負6 濃度,是每公升水要加幾克呢?謝謝?

What is the product when Strontium reacts with Oxygen gas? Strontium Peroxide or Strontium Oxide? Please explain why.?

In desperate need of Chemistry Help?

Is there an ambigram for the derivative and integral of e^x?

Equilibrium help? I just need to understand how to do this!?

Finding Equilibrium Constant...Keq=?

You are given 410.0 mL of a 1.581 M K2CO3 solution. There are ______ moles of K+ present in the solution?

Determine which property is demonstrated below: <UZR+<IZM=<RZU+<MZI?

If p is a whole number, for what values of p is 10 x 2^p-1 < 165 with working pls?

How many moles of Ba(OH)2 are in 2400 grams of Ba(OH)2?

Geometry help!!!?

Math question(s) below?

If 2x atoms of element M have a mass of 34.5g and 3x atoms of element N have a mass of 228.6 g, what is the relative atomic mass of M?

An acid and its cpnjugate base pair for the reaction: H3BO3 + H2O -> H3O+ + H2BO3- is. Show work?

Help with physics?

To what volume should you dilute 15 mL of a 12 M stock HCl solution to obtain a 0.540 M HCl solution?

solve the following: 27a-9b+3c-8=0 8a-4b+2c-8=0 -a-b-c-8=0 Find a,b,c?

Help again, whats the molecule's name?

Chem II help?

Can pb2+ react with k2CrO4 and form precipitate ? Is it related to standard reduction potential ? thank you^^?

Help! rate constant with half life at specific temp?

Need help on Calculus homework?

dx/1-2cosx+a^2?

Please help me with this physics problem!?

How much nitrogen is required to fully consume 11.8g of hydrogen?

K. How many amu of H2O and CO2 can be made from 64 amu of CH4 and excess O2? 1. H2O 2. CO2?

L. How many grams of H2O and CO2 can be made from 64 g of CH4 and excess O2? 1. H2O 2. CO2?

L. How many grams of H2O and CO2 can be made from 64 g of CH4 and excess O2? 1. H2O 2. CO2?

Possible isomers for difluoropentaine?

1. A 200 g copper block absorbs 2.34 x 10³ of heat to raise its temperature by 30.0 K. What is the specific heat of copper?

Chemistry Question?