A youngs's double slit has separation of 2.5 x 10-5 m on wich a monochromatic light bean is directed. the resultant bright fringes on the screen 1.0 fro the double slit are separated by 2.3 x 10-2 m. What is the wavelenght of this bean?

4. (1 pt) If gravity always pushes down, what prevents a person from sinking down into the ground? A. Nothing prevents a person from sinking into the ground. B. Gravity only pushes with enough downward force to let a person touch the ground. C.

Which of the following correctly describes how metals behave in an ionic bond? Metals lose their valence electrons and form positive ions. Metals lose their valence electrons and form negative ions.

What is the pH of an aqueous solution with the hydronium ion concentration : [H3O+] = 6.3 x 10-6 M?

What happens when atoms share electrons?

You are instructed to add 100 MLS of hs04 to 2500 MLS of buffer. What is the dilution

You see rainforests a is far as the eye can see It rains every day and the humidity is fiercel Where might you be? Polar climate Tropical climate Subtropical climate Temperate climate

2. A balloon is dunked into a tank of cold water. How will this affect the size of the balloon?

Which of the following correctly describes a compound?

If the [H+] of a solution is 1.0 x 10 to the power of - 2 mol/L the pH is: (pH = - log (H+] 1 12 -2 2 chemistry

Change 5.20 moles of c3h6o2to grams