Which is an example of a chemical change? water evaporating from a puddle cloth tearing when pulled wood forming sawdust when cut bread baking in an oven

Sodium hydroxide and perchloric acid react to produce sodium perchlorate and water. How many moles of the acid will react with 1.05 moles of sodium hydroxide?

Is atomic weight identical to atomic mass

One of the homework questions. I got the answer 2.48898 x 10 - 3 from my calculator. Would I put 2.49 x 10 - 3 as my answer ... is this correct? If a 120-lb woman uses five 2.

How many valence electrons does boron need to be stable?

Why is electron affinity of chlorine greater than that of fluorine?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.

What element has the electron arrangement 2,8,4?

If you get pregnant in Dec how long will it take for u to get to second trimester

Name the following compound HClO