logo

Crowdly

Browser

Add to Chrome

Science in Context / Wetenskap in Konteks - 179

Looking for Science in Context / Wetenskap in Konteks - 179 test answers and solutions? Browse our comprehensive collection of verified answers for Science in Context / Wetenskap in Konteks - 179 at stemlearn.sun.ac.za.

Get instant access to accurate answers and detailed explanations for your course questions. Our community-driven platform helps students succeed!

 

Balance the following equation:

Balanseer die volgende vergelyking:

 

_ NH3(g) + _ O2(g) → _ NO(g) + _ H2O(g)

 

View this question

 

Name the following compound:

Benoem die volgende verbinding:

TiHPO4

View this question

 

The correct name for the following compound is:

Die korrekte naam vir die volgende verbinding is:

Mg(ClO4)2

0%
0%
0%
0%
View this question

 

The name for the following compound is

Die naam vir die volgende molekule is:

N2O

100%
0%
0%
0%
View this question

 

The name for the following compound is:

Die naam vir die volgende molekule is:

NF3

 

 

0%
0%
0%
0%
View this question

 

Name the following compound:

Benoem die volgende verbinding:

CoSO4

 

View this question

 

Name the following compound: 

Benoem die volgende verbinding: 

(NH4)3PO4

View this question

 

Copper exists as a mixture of two isotopes. Copper-63 is 69.17% abundant and it has a mass of 62.9296 amu. 

Copper-65 is 30.83% abundant and it has a mass of 64.9278 amu.

Calculate the atomic mass of copper and chose the correct answer.

Koper kom voor as a mengsel van twee isotope. Koper-63 se voorkoms is 69.17% met 'n massa van 62.9296 amu. 

Koper-65 se voorkoms is 30.83% met 'n massa van 64.9278 amu.

Bereken die atoommassa van koper en kies die korrekte antwoord.

 

0%
0%
0%
0%
View this question

 

Which species has 54 electrons?

Watter ioon besit 54 elektrone? 

 

0%
0%
0%
0%
View this question

 

Bromine has two stable isotopes (79Br and 81Br) with masses of 78.918338 u and 80.916291 u. 

The average molar mass of Br is 79.90 u. 

What is the percent abundance of 81Br? (Give your answer to two decimal figures.)

Broom het twee stabiele isotope (79Br en 81Br) met massas van 78.918338 u en 80.916291 u. 

Die gemiddelde molêre massa van Br is 79.90 u. 

Wat is die persentasie voorkoms van 81Br? (Gee jou antwoord tot twee desimale syfers.)

 
 
View this question

Want instant access to all verified answers on stemlearn.sun.ac.za?

Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!

Browser

Add to Chrome