How many moles of chlorine gas would be required to create 12.50 moles of phosphorus pentachloride? P4 (s)  +  10Cl2 (g)  

Whenever the probability is proportional to the length of the interval in which the random variable can assume a value, the random variable follows a(n) _____ distribution.

1.2 Gewerweldes is organismes met ‘n eksoskelet.  (1)

If P(A) = 0.6, P(B) = 0.3, and P(A ∩ B) = 0.2, then P(B | A) = _____.

If P(A) = 0.80, P(B) = 0.65, and P(A ∩ B) = 0.78, then P(B | A ) = _____.

A piano mover raises a 1000-N piano at a constant speed using a very light rope in a frictionless pulley system, as shown in the figure. With what force is the mover pulling down on the rope?

A block slides down a frictionless inclined ramp and experiences no significant air resistance. If the ramp angle is 17.0° above the horizontal and the length of the surface of the ramp is find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding from rest at the top.

Which ratio below would best represent a 2.50 M aqueous KCl solution?

2.1 Zingaki izingane ozibona kule khathuni? Bhala ngesiZulu. (2)

A 20-g bead is attached to a light 120-cm-long string as shown in the figure. This bead moves in a horizontal circle with a constant speed of 1.5 m/s. What is the tension in the string if the angle α is measured to be 25°?