Search our library of homework questions

Top answers

All subjects

All levels

A reaction, A + B -> C, is considered second order with respect to A and first order with respect to B. What is the effect of simultaneously doubling the concentration of A and B on the rate of reaction?

"second order with respect to A" tells us that doubling the concentration of A will cause the reaction rate to increase by a factor of 4."first order with respect to B" then tells us t...

Answered by HENRY J. • Chemistry tutor

2076 Views

Could you tell me what would be the six basic emotions of a person?

Happiness, sadness, fear, anger, surprise and disgust.

Answered by Madalina P. • Drama tutor

1345 Views

What is Utilitarianism?

Utilitarianism is an consequntalist ethical theory that is concerned with providing the greatest good/happiness for the greatest number of people.

Answered by Jack L. • Philosophy and Ethics tutor

1634 Views

Solve the simultaneous equations: 3x-y=13, 2x+y=12

To solve these simultaneous equations we first need to eliminate one variable (the x or the y). For this we will need the coefficients (numbers in front of the variables) to be equal or opposite on one va...

Answered by Ellie D. • Maths tutor

4879 Views

A block of mass 5 kg is being pushed over level ground by rod at 60 degrees to horizontal with force 40 N with acc. 1.5 what is the frictional force of the surface and draw a diagram with the forces acting on the block

Block has normal force, weight, friction and the force from the rod acting on itResultant force = 5*1.5=7.5horizontal component of force from rod = 207.5= 20 - FF= 12.5

Answered by Henry B. • Maths tutor

2856 Views