Q1. Calculate how many moles of NaOH are in 50.00mL of a 6.82M NaOH solution. Molar mass NaOH = 40.00-8 density NaOH = 1.08- mol ml

In a typical ultrasound, sound waves travel through liver tissue at a rate of 1540 m/s.  How many cm will the wave travel in 23.69 μs?

Cl₂ light, 20°C

1. 2 Li, Et,0 2. 0.5 equiv. Cul Br 3. CH3(CH2)2Br FEB 20 étv MacBook Air

how do i find the freezing point of this graph?

I'm resending this question because the image on the last one was blurry. I wrote the prompt and steps and helpful conversions to figuring out the real world problem on my scratch paper, how do I solve for this problem?

Try Again Your answer is incorrect. Classify the substance shown in the sketch below. You can click the other tabs in the sketch to get a magnified view. Be sure you check all the boxes on the right-hand side that are correct for this substance. Note for advanced students: in some sketches the distance between particles has been exaggerated to make it easier to see each individual particle. normal substance 1000X 10,000,000X classification (check all that apply) gas liquid solid element compound mixture solution pure substance homogeneous mixture Oheterogeneous mixture X Ś

No work needed just answers label the answers with questions so I know directions are all the same

Find the weighted average of these values. Value Weight 5.00 75.0% 6.00 15.0% 7.00 10.0% weighted average:

Can you show us how to do number 8. ? Please see the attached pic.This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl