Chemistry B SY 21-22 Sem 2 SEMESTER
TEST Questions And Answers 100% Pass
A student increases the temperature of a 556 cm3 balloon from 278 K to 308 K.
Assuming constant pressure, what should the new volume of the balloon be? - answer616 cm3
Which statement is true about a carbonated soft drink?...
Chemistry B SY 21-22 Sem 2 SEMESTER
TEST Questions And Answers 100% Pass
A student increases the temperature of a 556 cm3 balloon from 278 K to 308 K.
Assuming constant pressure, what should the new volume of the balloon be? - answer✔616 cm3
Which statement is true about a carbonated soft drink? - answer✔The water is the solvent, and
the carbon dioxide is the solute.
For the reaction CH3COOH → CH3COO- + H+, which statement is true? - answer✔CH3COO-
is a conjugate base.
Which example is a weak base? - answer✔ammonia
How many moles of a gas sample are in a 20.0 L container at 373 K and 203 kPa?
The gas constant is 8.31 L−kPa/mol−K. - answer✔1.30 moles
You dissolve 0.74 g of potassium chloride (KCl) in 500 mL of water.
What is the molarity of the solution?
Use a periodic table. - answer✔0.02 M
How much heat do you need to raise the temperature of 300 g of ethanol from 0°C to 20°C? -
answer✔14.6 kJ
If you have 10 grams of a substance that decays with a half-life of 14 days, then how much will
you have after 42 days? - answer✔1.25 g
A solution has a hydrogen ion (or hydronium ion) concentration of 3.16×10−9M.
What is the pH of the solution? - answer✔8.5
A reaction requires 22.4 L of gas at STP. You have 45.0 L of gas at 100 kPa and 373 K.
Which statement is true?
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Thebright. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
