Answer:
Diversity?
Explanation:
Think thats bio
Josh is washing glasses with soap and water. He is afraid to
carry the glasses because they are slippery. What might he find in the
kitchen that he could use to keep the glasses from being slippery? Explain.
Josh is washing glasses with soap and water. He is afraid to carry the glasses because they are slippery. Josh could dry them with a towel to keep the glasses from being slippery.
What are glasses ?Glasses are visual eyewear that have lenses fixed in a frame that holds them in front of a person's eyes. The frame often has a bridge over the nose and arms that rest over the ears. Glasses are also known as eyeglasses or spectacles.
The term "glasses" likely originated from the word "spyglass," which was originally used to describe "a pair of eyeglasses" that had to be held up to the eyes in order to be fully effective.
Eyeglasses, often known as glasses or spectacles, are lenses that are mounted in frames and worn in front of the eyes to improve vision or to correct astigmatism, myopia, or hyperopia.
Thus, Josh could dry them with a towel to keep the glasses from being slippery.
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What is an inorganic chemical?
A. A chemical that contains carbon atoms
B. A chemical that does not take part in reactions
C.A chemical that makes up living things
D.A chemical that is not from living things
I'd appreciate anyone's help
Answer:
D.A chemical that is not from living things
GUYS I NEED THIS ASAP
Plants and animals can build up or break down rock by increasing weathering, erosion, and
deposition. true or false
Answer:
false
Explanation:
Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.
Which of the following phrases best describes an atom? Choose the two correct answers.
A.
made up of protons, electrons, and neutrons
B.
made up of solids, liquids, and gases
C.
largest unit of matter
D.
smallest unit of matter
E.
made up of water
Answer:
A & D
Explanation:
all of the other things are made up of atoms, not what atoms themselves are made of. they are not large, and they make up all matter
An atom is made up of a nucleus and revolving electrons. Inside the nucleus protons and neutrons are located. Thus the components of an atom are protons, electrons and neutrons. Thus, option A is correct.
What is an atom?An atom is the basic unit of every substances. Atoms combine together to form molecules, molecules then forms compounds and so on.
The inner core of an atom is called nucleus which contains positively charged particles namely protons and neutral particles neutrons. There are circular paths of fixed energy surrounding the nucleus.
The circular paths around the nucleus is called orbits through which the electrons are revolving. Electrons are negatively charged particles and they neutralize equal number of positive charges.
A neutral atom have equal number of protons and electrons and this number is called its atomic number. The sum of number of protons and neutrons is called the mass number.
Hence, an atom is made up of protons, electrons, and neutrons and option A is correct.
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Heeeelp,,, serious answers only pls i dont wanna hear about your love life
The rock was white and black speckled with a density of 2.6 g/mL. Physical or chemical property?
Answer:
Chemical
Explanation:
hello, what’s the difference between oxidation and oxidising agents?
Answer:
An oxidising agent oxidises something else. Oxidation is loss of electrons (OIL RIG). That means that an oxidising agent takes electrons from that other substance.
Explanation:
When Earth is tilted on its axis why does it orbit the sun ?
Answer:
Here
Explanation:
Some assume our planet's changing distance from the sun causes the change in the seasons. That's logical, but not the case for Earth. Instead, Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5 degrees relative to our orbital plane, that is, the plane of Earth's orbit around the sun
Complete the sentence by using the drop-down menus
to choose the words that describe the image most
accurately
To make an omelet, first
the egg and then let
the insides slide
into the bowl.
Answer:
1st one: crack
2nd: carefully
Explanation:
Answer:
Crack and then carefully
Explanation:
I just did it in edgen 2020
A bond in which two atoms share a pair of electrons is a ionic bond or covalent bond or metallic bond?
Answer:
Covalent
Explanation:
Ionic gives or takes electrons
Metallic isn't really a "type" of bond
Am i gay?
I cant tell so i may need a third party to tell me whether i like men or not
Answer:
ok
Explanation: whatever you think
Heeeelp ill give brainlist
Complete each of these
The length breadth and thickness of a brick is 18cm 8 cm and 5cm respictively find the area of the widest part of rhe brick
Answer:
144cm²
Explanation:
Given dimensions:
Length x breadth x thickness
18cm x 8cm x 5cm
The widest part of this figure will be the face containing the length and the breadth.
The breadth is the width of the figure;
Area of the widest part = length x breadth = 18cm x 8cm = 144cm
The area of the widest part of the figure is 144cm²
How many protons are in the nucleus of one atom of neon based on this information found in the Periodic Table?
Answer:
10 protons
Explanation:
The atomic number of an element is equal to the number of protons of the element. The atomic number of neon is 10. Therefore, neon contains 10 protons.
10 protons are in the nucleus of one atom of neon based on this information found in the Periodic Table.
What is periodic table ?The chemical elements are arranged in rows and columns in the periodic table, sometimes referred to as the periodic table of the elements. It is frequently used in physics, chemistry, and other disciplines and is frequently regarded as a symbol of chemistry.
The elements are organized in what is known as the periodic table. Columns and rows are used to organize the table. The horizontal rows are referred to as "periods," while the vertical columns are known as "groups."
Thus, The atomic number of an element is similar to the number of protons of the element. The atomic number of an element neon is 10. So, neon contains 10 protons.
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When light waves hit ice, most of them bounce off and radiate back into space. Because of this, ice is best described as which kind of surface? reflective absorbent dense rough
The bouncing back of light waves observed when light waves hit ice and most of them bounce off and radiate back into space is called reflection.
What are light waves?Light waves are a form of waves which produces visible sensitization of the eyes
Light waves have properties of waves such as:
reflection refraction diffractioninterference, etc.When light waves hit ice, most of them bounce off and radiate back into space.
This property of light waves is known as reflection.
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When light waves hit ice, most of them bounce off and radiate back into space, hence, ice is best described as a reflective surface.
What is a Reflective surface?A reflective surface is one which can cause incident light to bounce back (reflection).
According to this question, when light waves hit ice, most of them bounce off and radiate back into space. This means that most of the incident light reflects off the ice surface.
Therefore, the ice surface is best described as a reflective surface.
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Rank these elements from smallest to largest atomic radii: zinc, calcium, radium, and bromine.
Select one:
O a. calcium, radium, zinc, bromine
O b. calcium, zinc, bromine, radium
c. bromine, zinc, calcium, radium
d. bromine, zinc, radium, calcium
Answer:
The correct option is;
c. Bromine, zinc, calcium, radium
Explanation:
The atomic radii of the elements as arranged in the periodic table decreases across the period and increases down the groups
The location of each of the elements are;
Zinc: Period 4, Group 12
Calcium: Period 4, Group 2
Radium: Period 7, Group 2
Bromine: Period 4, Group 17
Therefore, the element with the largest atomic radius = Radium
The element with the smallest atomic radius = Bromine
Calcium comes before zinc on period 4, therefore, the atomic radius of calcium is larger than that of zinc
The rank of the elements from smallest to largest atomic radius is therefore;
Bromine, zinc, calcium, radium.
schroedinger thought that electrons
Answer:
In Niels Bohr's theory of the atom, electrons absorb and emit radiation of fixed wavelengths when jumping between fixed orbits around a nucleus. The theory provided a good description of the spectrum created by the hydrogen atom, but needed to be developed to suit more complicated atoms and molecules.
Explanation:
Magnesium (24.30g) reacts with hydrogen chloride (xg) to produce hydrogen gas(2.04g) and magnesium chloride (96.90g). How much hydrogen chloride was used in the reaction
We have that for the Question,it can be said that How much hydrogen chloride was used in the reaction is
x=74.42From the question we are told
Magnesium (24.30g) reacts with hydrogen chloride (xg) to produce hydrogen gas(2.04g) and magnesium chloride (96.90g).
How much hydrogen chloride was used in the reactionHow much hydrogen chloride was used in the reactionGenerally the equation for the Reaction is is mathematically given as
Mg+2HCl-----MgCl2+H2
Grams of MgCl2=[tex]\frac{96.9*24.30}{2.04}\\[/tex]
Grams of MgCl2=1154.25g
Therefore
ON cK -12
How much hydrogen chloride was used in the reaction is
x=74.42
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why is the chemical reaction between nitric acid and sodium hydroxide called a neutralization reaction?
Answer:
Because nitric acid is acidic in nature and sodium hydroxide is basic in nature so when acid and base react they become neutral.
WILL GIVE BRAINLIST IF RIGHT
While visiting Thor's Hammer in Bryce Canyon National park, you observe red coloring on the landform. What natural process most likely caused the red coloring? (4 points)
Chemical weathering
Deposition
Erosion
Mechanical weathering
Answer:
Chemical weathering because the landform changed color
Explanation:
Answer: A) Chemical Weathering
Explanation:
I took the test :)
A 20.0g sample of metal with a specific heat of 5 J/(g°C) raised it's initial temperature to 40.0 when 500J heat was added. What was the initial temperature of the metal?
The initial temperature of the metal = 35 °C
Further explanationHeat can be formulated :
Q = m . c . ΔT
Q = heat, J
c = specific heat, J/g C
ΔT = temperature, °C
m = 20 g
c = 5 J/(g°C)
Q = 500 J
T₁ = 40 C
the initial temperature :
[tex]\tt \Delta t(T_2-T_1)=\dfrac{Q}{m.c}\\\\40-T_1=\dfrac{500}{20.5}\\\\40-T_1=5\\\\T_1=35^oC[/tex]
Ung number three po plssssssssssss.
Answer:
For #3 I believe it's A
Explanation:
It can't be changed INTO a solid because it already is one.
Hope this helps!
i need help with chem ????????
Answer:
69
Explanation:
What are the coefficients when the chemical equation below is balanced?
_Fe + _H2SO4 = _Fe2(SO4)3 + _H2
A) 2,3,3,3
B) 3,2,3,1
C) 1,1,1,1
D) 2,3,1,3
How many atoms is 3.49x1032 moles of KOH?
2.1 x 10⁵⁶ atoms
Further explanationThe mole is the number of particles(molecules,atoms,ions) contained in a substance
1 mol = 6.02.10²³
number of atoms :
[tex]\tt 3.49\times 10^{32}\times 6.02\times 10^{23}=2.1\times 10^{56}[/tex]
I added 6 to a certain number and then divide the result by 3. Find the number if my final answer is 5. (show working)
Answer:
let the number be x
so (x+6)/3 =5
x+6=15
x=9
{b}
In experiment B. the iron filings weighed 2.0g at the beginning of the experiment
and the iron sulphide produced weighed 2.8g.
Explain this increase in mass.
Explanation:
The increase in mass is because the iron fillings have combined with a sulfide to produce iron sulfide and so the mass will increase.
In such a reaction like this, the mass of the reactants must be conserved. By so doing, the mass of reactants and products must be the same.
When two substances combine together, their masses added up to that of the individual masses. This helps to conserve the mass.
im in the middle of a chem test and i literally have no clue what is happening
Answer:
No question so I'm just taking the points