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
asambeis [7]
3 years ago
7

Can someone help me please and please show work

Chemistry
1 answer:
FinnZ [79.3K]3 years ago
4 0

Answer:

Average of the trial is: 288.50 C

Percent Error: 3.83%

Explanation:

(291 + 287 + 295 + 281) : 4 = 288.50 C

Average: 288.50 C

Percent Error: {(300 - 288.50) : 300} x 100%  = 3.83 %

                   

You might be interested in
You're legally obligated to yield the right-of-way:
kenny6666 [7]
It is most likely B.
3 0
3 years ago
La etiqueta de una bebida transparente con un ligero toque anaranjado indica que contiene aga con un 15 porciento de zumo de nar
Brilliant_brown [7]

<u>Respuesta:</u>

16 gramos de vitamina C y 8 gramos de colorantes.

Explanation:

Debemos multiplicar el porcentaje de cada componente por la cantidad total (100 %) de zumo.

800 g de zumo = 100%

- Tenemos un 2 porciento (2 en 100 o 2/100) de vitamina C. Por lo tanto, la cantidad en gramos de vitamina C es:

2/100 x 800 g = 16 g

- Tenemos un 1 porciento de colorantes en el zumo (1/100). Por lo tanto, la cantidad en gramos de colorantes es:

1/100 x 800 g = 8 g

6 0
3 years ago
A scientist is researching the solar system. How can the scientist best add to existing empirical evidence about the solar syste
Bogdan [553]

Answer:

The correct option is;

c. The scientist can make and record observations

Explanation:

Empirical evidence are evidences obtained by direct observation, sensual perception or direct measurement. It is the processed and useful data gathered and stored in a material form or documented to provide record of the measurement.

With the aid of empirical evidence, it is possible for researchers to find answers to question regarding topics that can vastly impact every day life.

With empirical evidence, it is possible to determine the effects of treatment in a study such as the invention of working car safety devices such as seat belts and airbags.

7 0
3 years ago
3.0 x 108 m/s is the
Veseljchak [2.6K]

Answer:

Speed of light

Explanation:

The value 3.0 x 10⁸m/s is taken as the speed of light.

It is a constant.

  • It implies that light travels a distance of 3 x 10⁸ in just one second.
  • This value is for the speed of light in a vacuum when there are not particles obstructing its movement.
  • The speed of electromagnetic radiations in free space is also taken as the speed of light.
4 0
3 years ago
Both the National Fire Academy and Iowa formulas calculate the flow requirement for structures that are __________ percent invol
emmainna [20.7K]

Answer:

100

Explanation:

7 0
2 years ago
Other questions:
  • Which substance is a gas at room temperature and atmospheric pressure?
    14·1 answer
  • How many moles of aluminum are needed to react completely with 1.2 mol of feo
    10·1 answer
  • Which of the following was most likely NOT present in creating the amino acids of early Earth's water of the past? A. ammonia B.
    10·2 answers
  • a 2000ml bottle has a mass of 234g when empty and a mass of 2367g when full of pop. how dense is the pop that is in the bottle
    5·1 answer
  • Practice Problems Exercise 8.6 Classify each of the following reactions in as many ways as possible.4N H3 (g) 5 O2 (g) n 4NO(g)
    13·1 answer
  • With carbon dioxide, what phase change takes place when the temperature
    13·1 answer
  • Select the correct answer. How can technology negatively impact a guest’s perception of a restaurant? A. The POS system helps th
    15·2 answers
  • In an experiment, equal amounts of water and soil were first heated and then left to cool. The graph shows the change in tempera
    8·2 answers
  • Consider the role of third world countries in this system. How would they benefit or not benefit from a cap and trade system?
    12·1 answer
  • Which of the following compounds results from the formation of an ionic bond?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!