subject

Chemistry, 26.10.2020 22:50 nicole667

In a science demonstration, a teacher mixed zinc (Zn) with hydrogen chloride (HCl) in a flask and quickly attached a balloon over the mouth of the flask. Bubbles formed in the solution and the balloon inflated. What most likely occurred during this demonstration?

The Zn and HCl both retained their identity.
Either Zn or HCl, but not both, retained its identity.
Evaporation of one of the substances occurred.
One or more new substances formed.

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 04:00

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Answers: 1

question

Chemistry, 22.06.2019 08:30

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Answers: 2

question

Chemistry, 22.06.2019 09:00

Ineed to find the answer of this question because i dont understand it

Answers: 1

question

Chemistry, 22.06.2019 10:30

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

Answers: 1

You know the right answer?

In a science demonstration, a teacher mixed zinc (Zn) with hydrogen chloride (HCl) in a flask and qu...

Questions

question

Chemistry, 18.02.2020 06:11

A bottle of 2 moles of an ideal diatomic gas experiences a temperature increase of 50.0K at constant volume. (a) Find the increase in internal energy...

question

English, 18.02.2020 06:13

What does Mrs. Putnam believe happened to her babies...

question

Physics, 18.02.2020 06:13

The earth spins at a rate of over 1000 miles per hour. If this is the case, you must move at this same rate in order to stay in contact with

question

Chemistry, 18.02.2020 06:13

Narrative: (questions 9 and 10) A tiny, tawny-colored butterfly called the Carson Wandering Skipper was always known for its small and ver...

question

History, 18.02.2020 06:13

19) Name two ways the traditional calendar changed?...

question

Spanish, 18.02.2020 06:13

Can anyone help me with AP spanish literature?...

question

Mathematics, 18.02.2020 06:13

Let f(x) = x2 − 2x − 3. The secant line through (2, f(2)) and (2 + h, f(2 + h)) for f(x) has slope h + 2. Use this formula to compute the following.

question

Mathematics, 18.02.2020 06:13

13.5x9.2 solve ahhh u need help...

question

History, 18.02.2020 06:13

Answer the following questions in complete sentences. Be sure to include at least two specific details from the lesson to support your response.

question

Mathematics, 18.02.2020 06:13

Suppose that the probabilities are 0.4, 0.3, 0.2, and 0.1, respectively, that 0, 1, 2, or 3 power failures will strike a certain subdivision in any gi...

question

Social Studies, 18.02.2020 06:13

The Belmont Report's ethical principle of justice requires that: A. researchers limit studies only to those of legal age. B. partici...

question

Business, 18.02.2020 06:13

At the end of its first year, the trial balance of Denton Company shows Equipment $30,000 and zero balances in Accumulated Depreciation-Equipment and...

question

Biology, 18.02.2020 06:13

Which of the following sequences describes the general life cycle of a eukaryotic organism? a. 1N meiosis 2N fertilization 1N b. 2N meiosis 1N fertili...

question

Physics, 18.02.2020 06:13

Charges of 3.5 µC and −7.6 µC are placed at two corners of an equilateral triangle with sides of 0.1 m. At the third corner, what is the electric fiel...

question

Mathematics, 18.02.2020 06:13

How many permutations of {1, 2, 3, 4, 5, 6} exist such that: (a) No even integer is in its natural position. (b) Exactly three integers are in their n...

question

Mathematics, 18.02.2020 06:13

Catron wants to make a cleaning solution that is 40% Lysol. How many gallons of water must be added to 20 gallons of solution that is 50% Lysol to obt...

question

History, 18.02.2020 06:13

Why was the potato a critical crop for the Irish people...

question

Business, 18.02.2020 06:13

For this assignment, pretend the New York Times asked you to create an SAT question for the article. Create a question and write a 50-word rationale a...

question

Business, 18.02.2020 06:13

Green Planet Corp. has (a) 5,000 shares of noncumulative 10% preferred stock with a $2 par value and (b) 17,000 shares of common stock with a $0.01 pa...

question

Mathematics, 18.02.2020 06:13

Solving Equations: 6 out of a number is 2?...

More questions: Chemistry Another questions

Questions on the website: 13722361