According to the kinetic molecular theory, the pressure of a gas in a container will increase if the "number of collisions with the container wall increases".
<u>Option: A</u>
<u>Explanation:</u>
Pressure is characterized as force acting by area per unit. It is triggered by gas molecules bombarding on the container walls. Kinetic molecular theory suggests that gases are made up of large numbers of small particles with continuous movement. Here there are elastic collisions between gas particles and between particles and container walls. There are no forces of attraction among them because of the large spaces between the gas particles. The gas temperature relies on the particle's average kinetic energy.
Most of these look like dilution questions which follow a general pattern;
<span>Use M1V1 = M2V2 (because moles in a solution stays constant if diluted) </span>
<span>so, the Concentration before * Volume before = Concentration after * Volume after </span>
<span>Using the first question as an example; 0.2*50 = 100 * M2 </span>
<span>Rearranging for M2: 0.1 </span>
<span>Therefore the concentration of the final solution is 0.1 M </span>
<span>we know that to work out pH you must use negative logs to base 10; i.e. -log(0.1) gives you the pH for this solution which is 1</span>
Eezy real talk ma frend!
The fromula for sodium cyanide is NaCn.
The correct answer is letter A. We use the formula, <span>v=vo + at to get the answer.</span>
<span>
v=vo + at </span>
<span>v=0 + (9.8)(8) </span>
<span>v=78.4 </span>
<span>y=1/2(vo + v)t </span>
<span>y=1/2(78.4)(8) </span>
<span>y=1/2(627.2) </span>
<span>y=313.6m
</span>
An ion is an atom with a different number of electrons than its number of proton, the charge of an ion is not net
need more information to find the charge but it can't be 0 if it is an ion
an ionic bond is when 2 or more ions attract negative and positive