Top answers

What is produced when Sodium Carbonate reacts with Hydrochloric Acid

Since any metal carbonate reacts with any acid to produce a salt and water and carbon dioxide, the resulting product from that specific reaction will be sodium chloride , water and carbon dioxide .
PL
Answered by Patrick L. • Chemistry tutor
16589 Views

Using the substitution u = 2 + √(2x + 1), or other suitable substitutions, find the exact value of 4 0 1 ∫ 2 (2 1) +√ +x dx giving your answer in the form A + 2ln B, where A is an integer and B is a positive constant

I will attach a file with the solution during the interview because it is difficult to type the solution in here.
GB
Answered by Georgica B. • Maths tutor
10285 Views

How do electrical impulses control contraction of the heart?

Electrical impulses from the SAN (sinoatrial node) spread across the atria walls to cause contraction. The impulses then pass to the ventricles via the AVN (atrioventricular node) after a short delay to allo...
JA
Answered by Jack A. • Biology tutor
3188 Views

How do I draw a dot and cross diagram to show covalent bonds?

Start by identifying the atoms that are going to be bonded to each other, for example, two hydrogen atoms, and then work out how many electrons are in the outer shell of those atoms. Hydrogen only has one el...
FR
11399 Views

How do I translate the expression "small talk" into Spanish?

La traducción literal de "small talk" sería: pequeña charla. Sin embargo, hay pocas traducciones que se puedan hacer de una lengua a otra de manera literal. Si se dijera "pequeña charla",...
JA
Answered by Julia A. • Spanish tutor
2582 Views