1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kow [346]
3 years ago
7

Nio conducts a science experiment. He puts yeast into a bottle with water and sugar, and then caps the bottle with a balloon. He

returns two hours later and notices there are bubbles on the surface of the mixture in the bottle and that the balloon has inflated, but there are no other apparent changes.
Social Studies
2 answers:
GalinKa [24]3 years ago
6 0

Answer:

the answer is a chemical change, because a gas was produced

Explanation:

hope this helps just did the test

Taya2010 [7]3 years ago
3 0

Answer:

The correct answer is c) a chemical change, because a gas was produced.

Explanation:

Sometimes when performing scientific experiments in laboratories, chemical changes are obtained in the elements that have been used, a chemical change is an alteration in the structure of a compound, so the element is different than at the beginning of the experiment.

Generally, when there is a chemical change this is usually irreversible; For example, in the case of Nio, he experiments with yeast, water, and sugar, which puts it in a bottle and closes it with a balloon, this mixture of substances has resulted in a chemical change since the element is transformed in gas.

<em>I hope this  information can help you.</em>

You might be interested in
13.) Luisa has decided to give up her full-time job to go back to school. Identify one potential
choli [55]

Economic Risk: She may not be able to pay her bills and end up in debt.

Economic Benefit: She may have a better future than before. And also try a part-time job.

Even if Luisa has less money and time than before, going back to school is definitely the best option. Invest in a future to get a better job, and a better future as well. Study is the best option for her.

6 0
3 years ago
When an issue creates disagreement among the states, how does federalism solve the problem?
stira [4]
To answer the question, “When an issue creates disagreement among the states, how does federalism solve the problem?”: 1. The state is allowed to find a solution about the issue. 2. There are equal powers with the federal and states therefore it can go through a debate. 3. The Constitution decides which makes the federal powers are superior. 4. There will be specific rules of each of the states created by the government.
6 0
3 years ago
How to reset a master combination lock without the code.
Dovator [93]

The resetting of a master combination lock without the code can be done by using a database system.

<h3>What is a database system?</h3>

A database-management system is made up of a compilation of interconnected data and a set of tools that allow you to access that data. The information pertains to a particular enterprise.

A database-management system's major purpose is to offer individuals a system that is both efficient and convenient for obtaining and recording information.

In order to do this, there are keys that need to be unlocked to access these data. Hence, the use of a master combination lock is required.

Let's assume we have the image below, the way to unlock the code is as follows:

  • Okay, so we have the numbers {6,8,2,1,4,0,7,3}

Let's take a quick look at the fourth hint, we have the eliminate 8, 7, and 3.

  • The returned values =  {6, 2, 1, 4, 0}

From the first and second hints, we can deduce that 6 is out of it since is in the same position and it cannot be wrongly and correctly placed at the same time.

  • Returned Values = { 2, 1, 4, 0}

The third hint says two numbers are correct but wrongly placed, but the first hint let us know that one number is correct and correctly placed. This confirms that 2 is in the last position of our key.

Now, we have:

  • Returned values ={0,1, 4}
  • Output ={<u>   </u>, <u>   </u> , 2}

We use an analogy here i.e. in database system hierarchy, data types are arranged in hierarchical order(H.O) except when an exception is being made.

Now, hint three told us that two numbers are correct i.e. 0 and 2 since 6 is out. However, hint five helps us to confirm that 0 is part of our output values.

  • Returned values = {1,4}
  • Output = {0, __, 2}......  (H.O) with exception of 2 being the last digit.

From hint two, one number is correct but wrongly placed, we are still looking for the middle number but since it is wrongly placed, it cannot be 1, hence, it is 4.

  • Returned values = {1,4}
  • Output = {0, 4, 2}

Therefore, the master combination lock of our code for the password is {0, 4, 2}

Learn more about the database system here:

brainly.com/question/26096799

4 0
2 years ago
Central to the philosophy of the American Revolution were the ideas of the ______ period in which reason and science were applie
NARA [144]

Answer:

The answer is the Enlightenment.

Explanation:

The Enlightenment was a period during which the source of all knowledge was believed to be based on reason and the senses. It took place between the 17th and 19th century.

Intellectuals of the time used to circulate their ideas through academic meetings, as well as books and journals.  

6 0
3 years ago
The sun and the planets are part of the solar system. ________________ are found outside of our solar system
PolarNik [594]
a.stars in a nearby galaxy <span>are found outside of our solar system 

Hope this helps!</span>
4 0
3 years ago
Other questions:
  • 1. name two examples of capitol crimes.
    10·1 answer
  • The boundaries of the köppen climates are largely based on the limits of certain ________ associations.
    12·1 answer
  • The early sociology theorists often differed in their analyses of social behavior and social institutions. Nevertheless, Auguste
    8·1 answer
  • If a researcher were to use a .01 level of significance rather than the .05 level, the probability of a Type I error would ____
    12·1 answer
  • Who (liberals or conservatives) tend to think the Establishment Clause allows government to accommodate religion so long as it d
    11·1 answer
  • In digital forensics, all investigations follow the same basic methodology once permission for search and seizure has been obtai
    5·1 answer
  • Because the British had forced colonists to ________ and carried out unreasonable __________ of their homes, protections were wr
    15·1 answer
  • WILL GIVE BRAINLIST
    9·2 answers
  • Which of the following strategies for supporting early math learning is
    6·1 answer
  • Cloe found two packages of muffins while shopping. Pack A comes with 8 muffins for $12, and pack B comes with 5 muffins for $8.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!