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
Free_Kalibri [48]
3 years ago
11

Need help with these three questions

Chemistry
1 answer:
Lina20 [59]3 years ago
8 0

1. chemical

2. weight

3. mass

You might be interested in
(1) What is the history of renewable energy in the United States?
densk [106]

Answer:

Historically, wood was the main source of U.S. energy until the mid-1800s and was the only commercial-scale renewable source of energy in the United States until the first hydropower plants began producing electricity in the 1880s.

The Advantages of Renewable Energy Resources-A Fuel Supply That Never Runs Out.Zero Carbon Emissions.Cleaner Air and Water.Disadvantages of Renewable Energy-he Electricity Generation Capacity is Still Not Large Enough.Renewable Energy Can be Unreliable.

First, we need to take advantage of the world's abundant natural gas resources and reduce coal consumption;

Second, governments must support development of carbon capture and storage technology to make fossil fuel use cleaner;

Explanation:

6 0
3 years ago
Calculate the concentration of hydrochloric acid if 225.0 mL of this acid is neutralized by 120.0 mL of 2.0m sodium hydroxide A.
timurjin [86]
M1V1 = M2V2
225M1 = (2)(120)
225M1 = 240
M1 = 240/225 = 1.066 M C
5 0
3 years ago
Why is water considered a pure substance and not a mixture?
Damm [24]
I believe it has something to do with the H2O molecules, because a chemical compound is not a mixture.

5 0
3 years ago
In the levels of organization of plants, What are the 2 tissues and their functions?
Valentin [98]
Vascular tissue transports water, minerals, and sugars to different parts of the plant. Vascular tissue is made of two specialized conducting tissues: xylem and phloem. Xylem tissue transports water and nutrients from the roots to different parts of the plant, and also plays a role in structural support in the stem.
4 0
3 years ago
Why do you think it is important to use the same blanace throughout the entire experiment?
Zepler [3.9K]

It is important to use the same balance throughout the entire experiment since the calibration of each balance is not the same and changing balances could result in a systematic error.

There are three types of errors that could affect the results of the experiment. The effect of random or indeterminate errors is hard to predict, its effect on the results of the experiment could be different every time. The second type of error is the systematic or determinate error, which causes a shift in results in a specific direction. The last type of error in an experiment is human error.

The type of error that could be related to the use of different balances throughout the experiment is the systematic error. Instruments could be a source of error especially if they are poorly calibrated. Also, analytical balances are calibrated differently which may result in inaccuracy in the weighing of chemicals.

To learn more, please refer to brainly.com/question/11541675.

#SPJ4

6 0
2 years ago
Other questions:
  • Periodic Table: Which families are highly reactive? Which family is unreactive?
    12·2 answers
  • The sum of the protons and neutrons in an atom equals the ____. (1 point)
    12·2 answers
  • How do you find molecules????? asap please!!!​
    8·1 answer
  • Given that RH= 2.18 x 10⁻¹⁸J, 1 nm = 1 x 10⁻⁹m, h = 6.63 x 10⁻³⁴J·s, and c = 3.00 x 10⁸m/s:
    8·1 answer
  • A forest is cut down to make room for a housing development which population is most likely to survive? WORTH 18 POINTS! ;D
    8·2 answers
  • What is the oxidation number of carbon in the compound carbon dioxide, CO2?
    10·1 answer
  • How many moles are in 159 Liters of He2F?<br> O 5 moles<br> O 7 moles<br> O 9 moles
    11·1 answer
  • draw the resonance struture of the three possible carbocation intermediates to show how a methoxyl ( -OCH3) directs bromination
    15·1 answer
  • Combustion analysis is performed on 0.50 g of a hydrocarbon, and 1.47 g of CO2 and 0.902 g of H2O are produced. What is the empi
    13·1 answer
  • Multiplying by which conversion factor would allow you to convert 35 liters to milliliters​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!