Answer:
Usually have a low relief, can be interior, and can be coastal.- are phrases that describe typical features of plains.
The phrase describes a typical feature of plains can be interior.
What is interior?The art as well as the science of improving the interior of the building to provide a healthier as well as more aesthetically pleasing environment for people who use it is known as interior design.
Plains are known for their low relief, interior location, as well as coastal location, all of which are characteristics of plains.
Therefore, The phrase describes a typical feature of plains can be interior.
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why would a pregnant mother need more calcium than a woman her age that is not pregnant?
Besides building teeth and bones, calcium also keeps your blood and muscles moving and helps your nerves send messages from your brain to the rest of your body. Your body can't make calcium, so you need to get it from food or supplements. While you're pregnant, try to get at least 1,000 mg of calcium every day.
Calcium is a vital mineral. Your body uses it to build strong bones and teeth. calcium is also needed for your heart and other muscles to function properly
who is princess tianas best friend, if you can get her name right then ill give you brainliest
Answer:
Oo i think her name is Tiana..... ❤️❤️Answer:
Charlotte La Bouff
Explanation:
"Lottie" if you will
I need help and if you don’t know you don’t have to tell me!
At Ocean World, Wally the Whale uses 800 Newtons of force to jump out of the water 10 meters into the air. Wally does this trick four times a day. He is able to get 10 meters high in 3.5 seconds. How much work does Wally do each day? What is his
average speed with each jump?
I need to the Force, Distance, time, Average speed and work!
Answer:
i did this assignment today, so u and i might be classmates :3 answer is shown below in 'explanation.'
Explanation:
the roller coaster assignment: force: 160 newtons. distance: 40 m high. time: 10 sec. work: 6400. average speed: 4 km.
for the whale assignment: force: 800 newtons. Distance: 10 meters. time: 3.5 seconds. work: 8,000 J. Average speed: 2.85
for the car: force: 1400 newtons. Distance: 800 m. time: 40 minutes. work: 1,120,000. average speed: 20.
moving company: force: 600. Distance: 80 m. time: 50 min. work: 48,000. average speed: 1.6.
I hope this is correct, bc i got 100% !! :3
Answer: I just added this so you can give the other person brainly
What is the answer, just the letter. No explanation needed
Answer:
Explanation:
f i did this in my class
Answer:
3 rd
Explanation:
yes answer is 3 you can go with it
How many moles are there in 3.9 grams of potassium
Answer:0.025576559594663 mole.
Explanation:
Use the periodic table to determine which of the
following could be an isotope of bromine (Br).
Check all that apply.
Z = 79, A = 196
Z = 35, A = 79
A = 79, N =44
D Z = 44, N = 44
DONE
Help out please????
Answer:
B. X= Elements, Y= Compounds
Explanation:
An element is a substance that is made up of only one type of atom. The atoms of an element can combine together chemically to form a molecule but can still exist as an individual atom e.g. Hydrogen atom; H can form molecule H2. Since only one atom makes up an element, its electrons act independently.
Compounds, on the other hand, are substances that are made up of more than one type of atom chemically combined. A compound can only exist as a molecule because it always contains more than one atom bonded together. However, since more than one atom are involved in the chemical bond that holds them together, electrons are shared with other atoms. Example of a compound is H20 containing atoms of hydrogen and oxygen that are chemically combined.
Bones function as levers for the muscle to provide movement of the body. What refers to increasing the angle of the joint, thus moving two bones farther apart?
A) Abduction
B) Adduction
C) extension
D) flexion
Answer:
It would be B
Explanation:
describe a difference in our inner planets and outer planets
How many moles are represented by 3.01 x10^24 oxygen atoms?
5.00 mol O₂
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.Stoichiometry
Using Dimensional AnalysisExplanation:Step 1: Define
3.01 × 10²⁴ atoms O₂
Step 2: Identify Conversions
Avogadro's Number
Step 3: Convert
Set up: [tex]\displaystyle 3.01 \cdot 10^{24} \ atoms \ O_2(\frac{1 \ mol \ O_2}{6.022 \cdot 10^{23} \ atoms \ O_2})[/tex]Multiply/Divide: [tex]\displaystyle 4.99834 \ mol \ O_2[/tex]Step 4: Check
Follow sig fig rules and round. We are given 3 sig figs.
4.99834 mol O₂ ≈ 5.00 mol O₂
What is the role of an electron in an atom?
Electrons live inside the nucleus and carry a neutral charge.
Electrons circle the nucleus and have a positive charge.
O Electrons determine the reactivity of an atom.
Electrons act like a glue to hold the nucleus together
Answer
Electrons live inside the nucleus and carry a neutral charge.
Explanation:
ANSWER ASAP THIS IS 6TH GRADE SCIENCE! GIVING BRAINLIEST FIVE STARS ANS A HEART!
Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.
Answer:
what are you supposed to answer???
Explanation:
A mixture of metals with properties different than the metals by themselves is called a(n) __________.
Answer:
Alloy
Explanation:
What is the formula for nickel || dichromate
Answer: Cr2NiO7 is the molecular formula for nickel II dichromate.
Rain that containing excess of acid is called
Answer:
The rain containing excess of acid I called acid rain
Answer:
acid rain
Explanation:
Thats literally what its called
energy traveling as electromagnetic waves
Radiant
Thermal
Chemical
Mechanical
1) how can you make a solution more concentrated
Explanation:
solvent bc when you remove it it becomes more concentrate
What volume, in liters, does 128 grams of O2 occupy at STP?
89.6 L
22.4 L
67.2 L
44.8 L
Answer: 89.7 L
Explanation:
89.6 volume, in liters, does 128 grams of O2 occupy at STP. Therefore, option A is correct.
What do you mean by volume ?A volume is simply the amount of space taken up by any three-dimensional solid. A cube, a cuboid, a cone, a cylinder, or a sphere are examples of solids. Volumes differ depending on the shape.
Every three-dimensional object requires some amount of space. The volume of this space is measured. Volume is defined as the space occupied by an object within the boundaries of three-dimensional space. It is also known as the object's capacity.
1 mole Oxygen has mass 32 grams
Mole of Oxygen in 128 g mass = 128 g / 32 g/mol
= 4.0 mol O2
At Standard temperature and pressure this has volume
= 4.0 mol × 22.4 L/mol
= 89.6 L
Thus, 89.6 volume, in liters, does 128 grams of O2 occupy at STP, option A is correct.
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An equimolar mixture of X (g) and Y (g) is placed inside a rigid container at constant temperature. The particle diagram above represents the changes that occur over time. Based on the particle
diagram, which of the following best predicts whether or not the system has reached equilibrium by 300 s?
a. It is not possible to determine that the system has reached equilibrium by 300 s because the stoichiometry of the reaction is not known.
b. it is not possible to determine that the system has reached equilibrium by 300 s because the amounts of X, Y, and XY have continued to change
c. The system has reached equilibrium by 300 s because the rate of formation of XY is constant
d. The system has reached equilibrium by 300 s because the rates of consumption of X and Y are equal
Answer:
B
Explanation:
t= 300s has more XY than t=200s, which means that it continues to change
*i think
The system has been predicted to be not possible to reach equilibrium as changing X and Y concentration. Thus, option B is correct.
Equilibrium has been described as the condition in the reaction mixture, when the concentration of the product and the reactant are equal.
The given reaction has been represented as:
[tex]\rm X+Y\rightarrow\;XY[/tex]
Reaction mixture at 300 sThe given reaction has been represented as, with the increase in time, there has been the consumption of the reactant and the formation of product.
The concentration has been continuously changing with time. Thus, the determination of the equilibrium has been difficult with changing X and Y concentration.
Thus, option B is correct.
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2 points
2.7 x 10-2 grams of Pb(C2H302)4 are dissolved to make 3.5 mL of
solution. What is the molarity?
Your Answer
Answer:
The molarity is 0.0174 [tex]\frac{moles}{liter}[/tex]
Explanation:
Molarity (M) or Molar Concentration is the number of moles of solute that are dissolved in a certain volume.
The molarity of a solution is calculated by dividing the moles of the solute by the volume of the solution.
[tex]Molarity=\frac{number of moles of solute}{volume of solution}[/tex]
Molarity is expressed in units [tex]\frac{moles}{liter}[/tex].
In this case, being the molar mass of compound Pb(C₂H₃O₂)₄ equal to 443.38 g / mol, then the following rule of three can be applied: if 443.38 grams are contained in 1 mol, 2.7*10⁻² grams in how many moles they are present?
[tex]amount of moles=\frac{2.7*10^{-2} grams*1 mol}{443.38 grams}[/tex]
amount of moles= 6.09*10⁻⁵ moles
Being 1,000 mL= 1 L, then 3.5 mL= 3.5*10⁻³ L
So:
[tex]Molarity=\frac{6.09*10^{-5} moles}{3.5*10^{-3} L}[/tex]
Solving:
Molarity=0.0174 [tex]\frac{moles}{liter}[/tex]
The molarity is 0.0174 [tex]\frac{moles}{liter}[/tex]
the substance that can not be further decomposed by ordinary chemical means is
A.water
B.gold
C.sugar
D.air
which one of these is NOT a unit for a reaction rate. 1) g/mL 2) M/min
6. What does a numerical subscript following a set of parentheses in a chemical
formula mean?
A numerical subscript following a set of parentheses represents the number of the group or poly-atomic ion in parentheses are present in a chemical formula.
As an example, calcium hydroxide is [tex]\bold { Ca(OH)_2 }[/tex] . The subscript (2) indicates that calcium hydroxide contains two hydroxide ions.
Therefore, A numerical subscript following a set of parentheses represents the number of the group or poly-atomic ion in parentheses are present in a chemical formula.
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How many electrons are being shared between the two carbon atoms in the covalent compound ethyne? Ethyne has the structure: H−C≡C−H
Answer:
Three lines between the carbon atoms in the Lewis structure represent three covalent bonds. Each covalent bond is a shared pair of electrons, hence there are six electrons being shared between the carbon atoms in ethyne.
The number of electrons that are being shared between the two carbon atoms in the covalent compound ethyne is six.
What are covalent bonds?Covalent bond are formed by the sharing of electrons between two atoms.
In ethyne molecule two carbon atoms are present and between two carbon atoms three covalent bonds are present. And each covalent bond is formed by the sharing of two electrons. So three covalent bonds are formed by the sharing of 6 electrons.
Hence in ethyne 6 electrons are being shared.
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Draw a model to represent the physical property of metals known as ductility, or the ability to be drawn into a wire.
The model that represents the physical property of metals known as ductility can be seen in the image attached below.
Metals are substances that are good conductors of heat and electricity.
The term ductility is a characteristic of metal and it explains the ability of metals to be drawn into wire. it implies that metal materials can be hammered and beaten into tiny sheets of wires.
The model in the image attached below shows how gold which is metal is drawn into wires.
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Cobalt(II)chloride is commonly obtained from chemical supply houses as a hydrate with the formula CoCl2.6H2O. An analysis showed that 25.0g of this hydrate contains 11.3g of water. What us the present water by weight in this hydrate?
Answer:
The present water by weight for the hydrate = 45.2%
Explanation:
From the given information;
The present water by weight = (weight of the water/ total weight of the hydrate) × 100
The present water by weight = (11.3/25) × 100%
The present water by weight = 0.452 × 100%
The present water by weight for the hydrate = 45.2%
if I have a +2 oxidation number do I give up or accept electrons?
Answer:
I will give up the electrons
Explanation:
Consider the following rules:
1. An atom loses electrons if its oxidation number is positive.
2. An atom gains electrons if its oxidation number is negative.
3. An atom neither gains nor loses electrons if its atomic number is zero.
As I have an oxidation number [tex]+2[/tex] that is oxidation number is positive, so, I will give up electrons.
The parts of the Earth that contain living organisms
Answer:
Biosphere
The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area.
Explanation:
Answer:
Biosphere
Explanation:The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area. hope this helps (:
How many molecules are present in 0.93 grams of Fe2O3?
Answer:
5.8125*10^-3
the moles in Fe2O3 are 0.93/(56*2 + 16*3) = 5.8125*10^-3
Remember! All ___________________________ are __________________________
but not all Atoms are elements.
Answer:
all element are atom but all at all atom are element
Explanation:
because all atoms of an element are same whereas atom of different element are different