Top answers

All subjects
All levels

The gases X & Y react with each other to produce gas Z according to the equation: 2X + Y ->2Z. 100cm3 of gas X was mixed with 10cm3 of gas Y, in a freely moving sealed gas syringe The reaction went to completion. What was the final volume of the syringe?

What's the key information we need to extract from the question:
reaction went to completionmolar ratios of X, Y and ZGas Y is the limiting factor & Gas X is in excess
If gas Y is the limiti...

AT
4896 Views

What are tariffs and why are they used?

Tariffs are a tax a government puts on good which are imported into a country. This increases the price per unit of the imported good and is often used by governments o attempt to encourage individuals to...

NF
Answered by Nathan F. Economics tutor
1793 Views

Expand the following brackets: a) 4(x+3) b) 3(x-1)-2(x+5) c) (y-3)^2 d) (y-2)^2 + (y+3)^2

a) 4x + 12For this question you must expand out the bracket by multiplying the subjects within by the number at the front. 4x + (4 x 3) = 4x + 12
b) x - 13Although this question...

JF
Answered by Jasmin F. Maths tutor
4509 Views

If a car drives at 5 ms^-1 for 10 seconds and then 6 ms^-1 for 5 seconds, how far has it travelled in total?

The equation used here is speed = distance / time (s=d/t). Firstly the 30 ms^-1. Rearrange the equation to find distance (st=d). 5ms^-1 x 10s = 50m. The second stint is 6ms^-1 x 5s = 30m. This makes the t...

MP
Answered by Marcus P. Physics tutor
2288 Views

what are the different kinds of adaptations?

Adaptations can be split into three categories: behavioural, physiological, and anatomical.
Behavioural adaptations are those that change the way an organism acts, such as how it int...

CJ
Answered by Charlotte J. Biology tutor
6453 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences