Rio

This page lists questions and answers that were posted by visitors named Rio.

Questions

The following questions were asked by visitors named Rio.

Outside the International Sapce Station, a 60 kg astronaut holding a 4.0 kg object (both initially at rest) throws the object at 10 m/s relative to the space station. A 50 kg astronaut, initially at rest, catches the object. What is the speed of the separ...

At what temperature would a 1.75m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 C/m.

I have a question about buffers. Part A So it starts with 20ml 0.1 sodium acetate and 25ml 0.1 acetic acid. Calculate ph of buffer is 4.74 because the acid and conjugate base have the same molarity correct? So the Ph is just pKa (1.8e-5)? Part B So the ne...

an automobile to be transported by ship is raised above the dock by a crane. If the gravitational potential energy of the car is 6.6 x 10^4 and the mass is 960 kg how high has the car been lifted?

Is 7/8 an irrational number

The temperature outside marys school is 17°c at midday by midnight the temperature has fallen by 33 °c what is the temperature at midnight

The su three numbers in g.p. is 21 and the sum of their squares is 189 find the numbers.

All real numbers that are less than and greater than 0

In the example (x + 2)(3x - 5) The X multiplied by ______ and ______. The 2 multiply by______ and ______. Combine ______ ______ to arrive at the final answer

What are the reasons on why the youth don't want to participate in civic life

Answers

The following answers were posted by visitors named Rio.

Oh ok thanks! I understand what I did wrong. I used the concentrations calculated from part A as my starting concentrations. Isn't it impossible to use concentrations in part b though? Since HAc and Ac^- both start a 0.1 M and you are adding 0.1M HCl? Wou...

Sir answer a=2,r=3,

literally can't find the answer to this question anywhere