Other Chemistry Answers

KCN +HCl→KCL +HCN
If a sample of 0.140 g KCN is treated with an excess of HCL, calculate the mass of HCN formed.

defination of mlolar mass in short?

how many moles of alcohol (C2H5OH) are there in 4.88 x 10^4 L? The density of alcohol is 0.79 g/mL.

How many nitrogen atoms are there in 2.954 g of ammonia?

how to balance MnS+HCl+HNO3 --> MnCl2+NO+S+H2O

How many grams of Cl are in 345 g of CaCl2?

An automobile gasoline tank holds 20kg of gasoline. When the gasoline burns, 86kg of oxygen is consumed and carbon dioxide and water are produced.
What is the total combined mass of carbon dioxide and water that is produced?

What would be the most appropriate test to differentiate potassium carbonate from lithium sulcate and why?

Student A has collected data for the mass of a sample of gold (Au) over five trials. The accepted mass of the Au is 25.56 g. After massing the Au on the scale, Student A recorded the following measurements:
Scale Number | Mass of Au in Grams
1 | 22.53
2 | 22.51
3 | 22.56
4 | 22.54
5 | 22.59

Comment on the accuracy and precision of this data set. Explain your reasoning.

Measurement is a concept we take for granted in our daily doings. However, it is a very important part of not only chemistry as a science, but our everyday lives. With that said, explain how measurement and its vocabulary are applied in your day to day living. Why are measurements and the process of measuring relevant to humankind