craze19th

What happens at absolute zero kelvin?

Get 1000 by using eight 8 with addition, substration, division, multiplication.

Like 

8,8,8,8,8,8,8,8=1000

Solve the system of equations and give a geometrical interpretation of the result.
x + y + z = 6
2x + y − 3z = -5
4x − 5y + z = −3

Is iron bar rust a chemical property?

Food shortage in the world?

national Food Security Act 2013.

Structure of dna

The acid dissociation constant at 25.0°C for hypochlorous acid (HClO) is 3.0 x 10-8. At equilibrium, the molarity of 3HO in a 0.010 M HClO solution will be:

      A) 1.7x10 -5        B) 0.010         C) 5.8x10 -10         D) 4.76         E) 2.00

What is the pH of a 0.015 M aqueous solution of barium hydroxide?

A) 12.25
B) 12. 18
C) 1.82
D) 10.41 E) 1.5

An air ambulance is travelling from Barrie to Toronto. Toronto is located 90 km [S5°E] of Barrie. If the wind is blowing from the South with a velocity of 62 km/h, and the plane’s air speed is 375 km/h, what direction must the pilot fly to make it to Toronto?

The answer is [S4.8°E] but I do not understand how to get to the answer

Thanks :)

How many positive factors does 2020 have?

In astronomy, ‘The Big Dipper’ is another name for which constellation?

Derivative of x^4