Top answers

Chemistry
All levels

Under which conditions does CH4 have the same number of molecules as 100cm^3 of O2 at 27 degrees celsius and 1.0x10^5 Pa?

Options:A: 50cm^3, 54 degrees celsius, 1.0x10^5 Pa B: 50cm^3, 327 degrees celsius, 1.0x10^5 PaC: 100cm^3, 54 degrees celsius, 2.0x10^5 PaD: 100cm^3, 327 degrees celsius, 2.0x10^5 Pa
The equation to u...

TP
Answered by Tom P. Chemistry tutor
8812 Views

Why can graphite be used as a lubricant?

Between the carbon layers in graphite there are van der waal forces which are very weak. Therefore, the layers of carbon atoms are able to slide over each other allowing graphite to be used as a lubricant...

RD
Answered by Rana D. Chemistry tutor
17541 Views

Describe the relationships between the Atoms in Carbon Dioxide Molecules.

Carbon Dioxide molecules consist of 2 oxygen and 1 carbon atom. The oxygen atoms are bonded to the carbon atom using double covalent bonds.

AA
1800 Views

A student obtained 3.7g of methyl cinnamate (162g/mol) from 6.5g of cinnamic acid (148g/mol) and 2.0g of methanol (32g/mol). Determine which reagent is limiting and calculate the percentage yield achieved by the student.

Reaction equation:cinnamic acid + methanol --> methyl cinnamate (+ water).Determine the limiting reagent:Calculate the number of moles of each reagent using the triangle g/(GFM)*(n).n = g/GFM cinnamic ...

LM
Answered by Libby M. Chemistry tutor
2619 Views

How can work out the number of protons, neutrons and electrons in this atom of an element?

Each element has its own individual atomic number which can be found on the periodic table. This number is the number of protons in each atom of this element . As protons have each have a charge of +1 and...

JH
Answered by Jessica H. Chemistry tutor
3614 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