subject
Chemistry, 03.04.2021 23:10 tiffanybrown703

3. Stop the recording when the presenter places the lighter in the water bath. QUESTION: Why does the presenter soak the lighter in the water bath? (2 ANSWERS) 4. The lighter is dried as thoroughly as possible by using a paper towel and by blowing forcefully around the flint wheel and the release lever. Measure the mass of the lighter to the nearest 0.01 g. Record this mass in the Data Table. Stop the recording when the presenter finds the mass of the lighter and record on the Data Table.
QUESTION: Why does the presenter dry the lighter before weighing it? (1 ANSWER)

5. Observe the graduated cylinder as it is allowed to fill completely with water without allowing any air bubbles into it. QUESTION: Why does the presenter make sure there are no air bubbles? (1 ANSWER)

and so on. I attached the document please help me asap ik a bunch of smart people are on here and I really need ur help rn. I'll give you brainliest if you can answer the questions on the attached document!

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 01:40
Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances
Answers: 1
question
Chemistry, 22.06.2019 15:30
Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
Answers: 1
question
Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 1
question
Chemistry, 22.06.2019 21:30
Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.
Answers: 1
You know the right answer?
3. Stop the recording when the presenter places the lighter in the water bath. QUESTION: Why does th...
Questions
question
Mathematics, 20.11.2021 07:20
question
Mathematics, 20.11.2021 07:20
question
Chemistry, 20.11.2021 07:20
Questions on the website: 13722367