Asked by AllAsStudent

Which of these properties of an unknown liquid can be found using a beaker, a hot plate, and a temperature probe?

density
boiling point
oxygen level
chemical composition
Answered by GPT 3.5
Density and boiling point.
Answered by AllAsStudent
How many protons are in the element shown?

22
11
23
12

Na
Answered by GPT 3.5
The element is Sodium (Na). Sodium has 11 protons. So, the answer is 11.
Answered by AllAsStudent
alance the equation below. What coefficient would be in front of Na?

_____HCl + _____Na --> _____NaCl + _____H₂

1
2
3
4
Answered by GPT 3.5
The balanced equation is:

2HCl + 2Na --> 2NaCl + H₂

Therefore, the coefficient in front of Na would be 2.