Answer:
B
Explanation:
Lets see here, Gravity is pulling you down but your body is repelling to gravity. Meaning that gravity is pulling down your weight and the scale is reading it.
Hope this helped!
What is the frequency of a photon whose energy is 5.4 ´ 10-19 J? (h = 6.626 ´ 10-34 J·s)
Answer:
8.15 x 10¹⁴Hz
Explanation:
Given parameters:
Energy of photon = 5.4 x 10⁻¹⁹J
h = 6.626 x 10⁻³⁴J.s
Unknown:
Frequency of the photon = ?
Solution:
The energy of a photon is given as;
E = hf
h is the Planck's constant
f is the frequency
f = [tex]\frac{E}{h}[/tex] = [tex]\frac{5.4 x 10^{-19} }{6.626 x 10^{-34} }[/tex] = 8.15 x 10¹⁴Hz
Can you divide II by another factor and still have it be correct? Why or why not?
Answer:
no, because factors can not be divided
Explanation:
How is the process of using patterns to predict phases of the moon similar to the process Mendeleev used to predict undiscovered elements?
The characteristic of some repeating property can be used to find the answer is
The periodic table and the moon phases can be ordered according to some repeating property, you can create an ordered table and leave the gaps for the unknown properties.
The periodic table created by Mendeleev was initially based on the atomic weight of the elements, but he realized that the similarities of the atoms were greater if he used the atomic number, so he changed the ordering.
Mendeleev found that elements with the same number of electrons in their last shell had similar properties, when he ordered them he found that there were holes in the table, shortly after the work of many researchers the holes were completed and found numerous new chemical elements.
In the observation of the phases of the Moon around the earth it is found that for short measurements there are four phases, for longer measurements in addition to these four phases there are several higher repetition periods, with repeated observation the phases and periods are found. .
We can see that the two jobs are searched for, which is repeated and a table is created, leaving the spaces that are not known empty, with subsequent jobs filling these holes.
In conclusion, with the characteristics of some repeating property, the answer can be found is
The periodic table and the phases of the moon can be ordered according to some repeating property, you can create an ordered table and leave the gaps for the unknown properties.
Learn more about the periodic table here:
https://brainly.com/question/3376367
Fossil fuels were formed when living things (plants and animals) died and their remains were broken down. This is an example of _______.
A. Combustion
B. Decomposition
C. Photosynthesis
D. Cellular Respiration
Metals are found on the left-hand side of the periodic table. True or False
Answer:
true pls mark brainiest
Explanation:
How many miles of sodium chloride are produced when 2.9 grams of sodium iodide reacts? __ mol NaCl
2 Nal(s) + Cl2(g) = 2 NaCl(s) + l2(g)
**Report your answer to the correct number of significant digits!
Answer: I am trying 0.88 if it is correct then I will edit this to say that!
Explanation:
are the answers correct ?
Answer:
yeh they are all correct .
How many electrons surround the
nucleus of an atom of Thallium?
Answer:
81
Explanation:
PLease help I need to get this test done and whoever helps first I will mark brainliest Love you!!!!!
Answer:
moon
Explanation:
Answer:
Explanation:
its the moon. the moon covers the sun causing it to be completely blakened out. and if thats not right then lifes a lie cuz i got blinded pretty bad in one of my eyes for looking at it with it
What would happen if we couldn't carry respiration out?
Answer:
There would be no energy for cellular activities
Explanation:
Cellular respiration is the process whereby living organisms breakdown ingested food in their cells in order to obtain energy in form of ATP. In other words, respiration converts the stores energy in food molecules into usable energy by the cell. The general equation of the process is as follows:
C6H12O6 + 6O2 → 6CO2 + 6H2O
The process of cellular respiration is carried out by every living organism in order to obtain energy to perform their various metabolic activities. Hence, without RESPIRATION, there would be no energy (ATP) for use by the cell, which utterly means no cellular activities will take place.
Examine the diagram of a cell.
Which organelle is marked with an X?
lysosome
nucleus
chloroplast
vacuole
Answer:
chloroplast
Explanation:
i took the test
*20 points for anyone who can solve this!*
If the temperature of the water inside of the pressure cooker is greater than 104°C, and the water is still a liquid, then the pressure inside of the pressure cooker must be...
A) less than 1 atm
B) equal to 1 atm
C) greater than 1 atm
Activity 12 - Group Me
Directions: Identify the following wastes according to the types, properties and
effects to human health and environment. Write your correct answer on your TLE
notebook
Wastes
Types
Properties
Effects to Human, Health
and Environment
Household service
Answer:
You can look the answer at the photo
thankss
Which of the following of elements would have all four valence electrons
B, Si, As, Te
C, Si, Ge,Sn
O, S, Se, Te
Ga, Ge, As, Se
Answer:
D
they are used for manufacturing Of diodes
Answer:
is the answer D
Explanation:
hsjskajdidbxksbsvzjwvshhz7duw
What effect does pressure have on a gas in a
closed container?
Answer:
La presión de un gas en un recipiente cerrado es inversamente proporcional al volumen del recipiente, cuando la temperatura es constante.LÑÑ
Explanation:
El volumen es inversamente proporcional a la presión: Si la presión aumenta, el volumen disminuye. Si la presión disminuye, el volumen aumenta.
what trends can you see in the melting point and the boiling point of the halogens?
Answer:
The boiling points increase down the group.
Explanation:
The melting and boiling points increase down the group because of the van der Waals forces. The size of the molecules increases down the group. This increase in size means an increase in the strength of the van der Waals forces.
Answer:
Melting and Boiling Points (increases down the group)
The melting and boiling points increase down the group because of the van der Waals forces. The size of the molecules increases down the group. This increase in size means an increase in the strength of the van der Waals forces.
Explanation:
Using just the valence electrons on each atom determine which 2 atoms should be in the same group?
atoms 1 and 2
atoms 3 and 4
atoms 2 and 3
O atoms 1 and 4
Answer:
Explanation:
Atom 1 and 4 because they have the same number of valence elctrons in its outermost shell
What is a chemical formula?
Answer:
A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus and minus signs.
Explanation:
formula for salt
I will mark u brain list
Answer:
The formula for salt is NaCl or Sodium chloride
Psychology!! Will mark BRAINLIEST!!
Explain the three measures of retrieval and forgetting that Herman Ebbinghaus studied using nonsense syllables.
Answer:
There are three measures of retrieval and forgetting: recall, a measure in which an individual brings learned information back to conscious awareness; recognition, a measure in which a person identifies previously learned information; and relearning, a measure in which a person is asked to learn information a second time.
Explanation:
Answer:
Responses may vary but should include some or all of the following information:
There are three measures of retrieval and forgetting: recall, a measure in which an individual brings learned information back to conscious awareness; recognition, a measure in which a person identifies previously learned information; and relearning, a measure in which a person is asked to learn information a second time.
Explanation:
edge
the left-right inversion one word answer
Answer:
Lateral Inversion
Explanation:
It has been windy in Wren’s town. Wren wants to know how fast the wind is moving. Which tools could he use?
Answer:
We can use a fan, divide the number of times that fan spins by the time it takes and the speed is obtained
Using the balanced reaction below, drag and drop the terms into the correct location to solve the following problem:
If 1.5 moles of ethanol (C2H5OH) react, how many moles of water will be formed?
2 C2H5OH + 7 O2 --> 4 CO2 + 6 H2O
Answer:
4.5 moles of H2O.
Explanation:
We'll begin by writing the balanced equation for the reaction. This is illustrated below:
C2H5OH + 3O2 —> 2CO2 + 3H2O
From the balanced equation above,
1 moles of C2H5OH reacted to produce 3 moles of H2O.
Finally, we shall determine the number of mole of H2O produced by the reaction of 1.5 moles of C2H5OH. This can be obtained as follow:
From the balanced equation above,
1 moles of C2H5OH reacted to produce 3 moles of H2O.
Therefore, 1.5 moles of C2H5OH will react to produce = 1.5 × 3/ 1 = 4.5 moles of H2O.
Thus, 4.5 moles of H2O will be produced.
Which of the following would you get from playing too much tennis?
A. Cerebral Palsy
B. Muscular Dystrophy
C. Tendonitis
D. ALS
Answer:
cerebral palsy
Explanation:
How much force is required to accelerate a 2 kg mass at 3 m/s²?
Answer:
6 N
Explanation:
Force (Newtons) = mass (kg) times acceleration (m/s2)
2 kg x 3m/s2 = 6 kg/m/s2
28. Which statement is INCORRECT regarding radiation?
a. Thicker materials offer better shielding against radiation
b. Gamma radiation is the only type that can cause health effects
c. Traveling further away from a source of radiation reduces your exposure
d. Each type of radiation can be detected by a device called a Geiger counter
Answer:
Radiation is energy. It can come from unstable atoms that undergo radioactive decay, or it can be produced by machines. Radiation travels from its source in the form of energy waves or energized particles. There are different forms of radiation and they have different properties and effects.
Related information in Spanish (Información relacionada en español)
On this page:
Ionizing and non-ionizing radiation
Electromagnetic spectrum
Types of ionizing radiation
Periodic Table
Non-Ionizing and Ionizing Radiation
There are two kinds of radiation: non-ionizing radiation and ionizing radiation.
Non-ionizing radiation has enough energy to move atoms in a molecule around or cause them to vibrate, but not enough to remove electrons from atoms. Examples of this kind of radiation are radio waves, visible light and microwaves.
Ionizing radiation has so much energy it can knock electrons out of atoms, a process known as ionization. Ionizing radiation can affect the atoms in living things, so it poses a health risk by damaging tissue and DNA in genes. Ionizing radiation comes from x-ray machines, cosmic particles from outer space and radioactive elements. Radioactive elements emit ionizing radiation as their atoms undergo radioactive decay.
Radioactive decay is the emission of energy in the form of ionizing radiationHelpionizing radiationRadiation with so much energy it can knock electrons out of atoms. Ionizing radiation can affect the atoms in living things, so it poses a health risk by damaging tissue and DNA in genes.. The ionizing radiation that is emitted can include alpha particles, beta particles and/or gamma raysHelpgamma raysA form of ionizing radiation that is made up of weightless packets of energy called photons. Gamma rays can pass completely through the human body; as they pass through, they can cause damage to tissue and DNA.. Radioactive decay occurs in unstable atoms called radionuclides.
Explanation:
Diamond cannot conduct electricity but graphite can,why
Diamond does not conduct electricity because it has no delocalized electron to conduct electricity.
1. You are pushing a heavy shopping cart full of water bottles with a constant force. The shopping cart has
mass of 250 kg and it is accelerating down the aisle at 0.20 m/s? How much force are you exerting?
Answer:
F = 50 N
Explanation:
Given data:
Mass of car = 250 Kg
Acceleration of car = 0.20 m/s²
Force required = ?
Solution:
Formula:
F = m×a
F = applied force
m = mass
a = acceleration
Now we will put the values in formula.
F = 250 Kg × 0.20 m/s²
F = 50 Kg.m/s²
Kg.m/s² = N
F = 50 N
Which sentence would be inappropriate in an informational piece of writing with a formal tone?
A: People find Shakespeare's Pericles, Prince of Tyre boring and annoying because it's possible that he didn't even write the entire play.
B: Thirty-nine plays, a combination of comedies, histories, and tragedies, are attributed to William Shakespeare.
C: William Shakespeare, a poet, and playwright have generally deemed the greatest writer in the history of the English language.
D: Scholars speculate that Hamlet may have been informed by the relationship between Shakespeare and his son Hamnet, who died at eleven years of age.
Answer:
Its a
Explanation:
i took the quiz
The sentence that is inappropriate in an informational piece of writing with a formal tone is "People find Shakespeare's Pericles, Prince of Tyre boring and annoying because it's possible that he didn't even write the entire play." The correct option is A.
What is a formal tone?In academic or professional settings, a formal writing tone is common. This tone emphasizes thoroughness and directness while remaining respectful.
It emphasizes facts and grammatical correctness and uses full words rather than contractions.
The use of standard English, more complex sentence structures, the infrequent use of personal pronouns, and the absence of colloquial or slang terms characterize formal language.
In informal language, nonstandard English forms, colloquial vocabulary, and typically shorter sentence structures are permitted.
"People find Shakespeare's Pericles, Prince of Tyre boring and annoying because it's possible that he didn't even write the entire play," is an inappropriate sentence in a formal informational piece of writing.
Thus, the correct option is A.
For more details regarding formal tone, visit:
https://brainly.com/question/14330525
#SPJ2
HELP PLEASE!!!
HCl is _____.
a base
a neutral
an acid
Answer:
an acid
Explanation:
Hydrochloric acid or muriatic acid is a colorless inorganic chemical system with the formula HCl. Hydrochloric acid has a distinctive pungent smell. It is classified as strongly acidic and can attack the skin over a wide composition range, since the hydrogen chloride completely dissociates in an aqueous solution. Wikipedia