I dont know the answer

I dont know the answer

Write out and Balance.

Formula: Name:

How do I do this?

I need help figuring out the equation for this problem. Do I add H20? If so, why and when do I need to?

You are given a piece of metal alloy that is made of tin and copper. If the density of the sample is found to be 8.59 g/mL what is the % Sn and % Cu in the sample?

university level question

What is the hydroxide-ion concentration in a 0.13 M solution of Na2CO3? For carbonic acid, Ka1 = 4.2 × 10–7 and Ka2 = 4.8 × 10–11. (Kw = 1.0 × 10–14)

Please help me calculate pH pOH = 7

When oxygen forms compounds, it looses two electrons making it less stable.

A solution is made containing 8.4g of potassium nitrate per 125g of water. What is the weight/weight % or percent by mass of the solute?

If 114mL of 0.008 04M NaOH completely titrates 118 ml of H3PO4 solutio, what is the molarity of the H3PO4 solution?

2Na + H2O- Na2O + H2

what can I talk about these results that I have? Experiment 1: Sugar reading White: Brown: Brix - /20.9%/ /21.1%/ PA - /10%/ /10%/ SG - /1.07%/ /10.8%/ pH - /3.2/ /3.2/ Experiment...

Can you please explain in full depth? That would be very helpful!

Help me with this question please

Help me with this question please, I can't figure it out.

A student places three ice cubes in a beaker and allows them to partially melt. If she measures the temperature of the water in the beaker, what will she most likely observe? Explain your answer....

What is the mass of 4.00 mol of Ca3(PO4)2

At 5 atm pressure PCl5 gas dissociates by 10%. What will be the value of Kp at same temperature?

Jeffrey G.

Former Med-Student turned Professional Science Tutor

Brooklyn, NY

5.0
(344 ratings)

Christopher B.

Expert Tutor for Chemistry, Biology, Physics, Genetics, & More!

New York, NY

5.0
(258 ratings)

Dharshini S.

Your Tutor for Math & Science!

Bayonne, NJ

5.0
(4 ratings)