Patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.
Hyperparathyroidism occurs when there is over secretion of parathyroid hormone by the parathyroid glands.
The parathyroid hormone is responsible for the following in the body:
Release of calcium by bones into the bloodstream. Absorption of calcium from food by the intestines, and Conservation of calcium by the kidneys.Renal calculi are strong masses of stones deposited in the kidneys or urinary bladder.
When there is excess calcium in the blood due to hyperparathyroidism, the kidneys would be over burdened with the excretion of excess calcium.
That extra calcium in the kidney & the urine leads to kidney stone development ( renal calculi).
Therefore, patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.
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an empty aerosol can at 25°c still contains gas at 1.00 atmosphere pressure. if an empty can is thrown into a 475°c fire, what is the final pressure in the heated can?
The final pressure in the heated can is 2.51 atm
From the question given above, the following data were obtained:
Initial temperature (T₁) = 25 °C = 25 + 273 = 298 K
Initial pressure (P₁) = 1 atm
Final temperature (T₂) = 475 °C = 475 + 273 = 748 K
Final pressure (P₂) =?The final pressure can be obtained as illustrated below:
[tex] \frac{P_1}{T_1} = \frac{P_2}{T_2} \\ \\ \frac{1}{298} = \frac{P_2}{748} \\ \\ cross \: multiply \\ \\ 298 \times P_2 = 1 \times 748 \\ \\ divide \: both \: side \: by \: 298 \\ \\ P_2 = \frac{748}{298} \\ \\ P_2 = 2.51 \: atm[/tex]
Therefore, the final pressure in the heated can is 2.51 atm
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Explain why copper has a high thermal conductivity.
Explain why copper has a high electrical conductivity.
i just need like a basic explanation for an essay
Explanation:
So copper is a lattice of positive copper ions with free electrons moving between them.
Is krypton a good or poor conductor of electricity? Why? I
Answer:
No it is not a good conductor
Explanation:
Krypton is classified as a gas and nonmetal. Like many nonmetals and gases, krypton is an insulator, so it is a relatively poor conductor of heat and electricity.
4. One gram of of ............... contains one type of atoms. a. iron b. ammonia c. hydrogen chloride d. water
Answer: hydrogen chloride.
Explanation:
Complete the sentence.
Atoms form chemical bonds to satisfy the ______
rule and to become _______
Shanika is an engineer at an amusement park who is experimenting with changes to the setup for a magnetic roller coaster ride. In one ride, there are two identical roller coaster cars (orange and green) that start on opposite sides of a large magnet located at the center of a station. Shanika wants to get the largest increase in potential energy she can by moving one car one space to the left or the right. Shanika can move the orange car to point A or point B, or she can move the green car to point C or point D. Which movement should she make? Why will that movement result in the largest increase in potential energy? Describe the magnetic force that will act on the roller coaster car she moves. What should I do for the Green cart?
The orientation of the poles of the magnet on the cars and the large
magnet are like poles.
The correct responses are;
First question
Move the orange car from A to B Move the green car from D to CSecond question:
The reason is reducing the distance increases the magnetic field strengthThird question:
It pushes the cars away in the opposite direction.
Fourth question:
Place the green car at point C to get the largest potential energyReasons:
Potential energy is the energy an object has due to its location.
Energy is a product of force and distance, and therefore, if the force,
experienced by the object increase, the potential energy of the object
increases.
The strength of a magnetic field, B, is given by the formula;
[tex]\displaystyle B = \frac{\mu_0 \cdot I}{2 \cdot \pi \cdot d}[/tex]
Where;
B = The magnetic field strength
I = Current
d = The distance from the source of the magnet
μ₀ = The permeability of free space = 4·π × 10⁻⁷ T m/A
Therefore, the strength of the magnet is higher closer to the source.
First question
In a magnet, like poles push each other back, and given that the poles of the magnet adjacent to each other are like poles, to get the largest increase in she should move the cars towards the large magnet.
Move the orange car from A to B Move the green car from D to CSecond question:
The reason why the movement will result in the largest increase in potential energy is because like polls repel each other and the strength of a magnetic field increases closer to the magnet
Third question:
The magnetic force that will act on the roller coaster car moved towards the large magnet, pushes the car in the opposite direction.
Fourth question:
The green cart should be moved from point D to point C to get the largest potential energy
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- A beam of electrons has.....
(A) Wave properties.
(B) Particle properties.
(C) Both of these
(D) Neither of these
Answer:
(C) Both of these
Explanation:
A beam of electrons has both of these Wave properties and Particle properties.
What is the maximum number of electrons in the following energy level? n = 1
Maximum number of electrons in nth energy level
[tex]\\ \sf\longmapsto 2n^2[/tex]
Now
n=1Max electrons
[tex]\\ \sf\longmapsto 2(1)^2[/tex]
[tex]\\ \sf\longmapsto 2e^-[/tex]
Why can Marco hear the music, even though he is not in the same room as the speaker?
Answer:
Sound Travels
Explanation:
Sound waves can travel, and that makes it so that even though Marco is in a different room, he can hear the music. Depending how loud the music is and how thick the walls car, the sound can travel through the walls.
Calculate the molecular mass of the element
They give:H=1,AI=27,S=32,0=16,Cu=64,P=31,Mg=24,N=14,Na=23
Answer:
Na2SO4
2×23 + 32 + 4×16
46 + 32 +64
=142g
A chemistry teacher adds red food coloring to water and students observed the dye spreading out to fill the container. Is the teacher
demonstrating a physical or chemical change?
Answer:
its obviously a chemical change
Explanation: Facts
The addition of the food color in water only causes the change in the cor of water but no new substance is formed. Therefore, the teacher is restarting the physical change.
What is a physical change?A physical change can occur when the characteristics of the matter change but the identity does not. Physical changes are classified as: reversible and irreversible. For example, the melting of water is reversible in nature since the melted ice cube will be refrozen.
Physical change can be described as a kind of change where only physical properties of matter such as odor, color, solubility, etc. can change. During physical changes, there is no chemical bonds are broken or formed between atoms of the substance.
The chemical composition as well as the chemical nature of the substance remains unchanged during a physical change. The molecules of matter can rearrange without changing the internal composition of matter.
Therefore, adding food color to water is a physical change as no new substance formed.
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#SPJ2
what is atomic mass in Chemistry
Answer:
the average mass of the atoms of an element measured in atomic mass unit (amu, also known as daltons, D)
Explanation:
Which is the formula for nitrogen trihydride? NH3 N3H 3NH N3H3
the answer isssssssssssssssssssssss... Nh3.
Answer: A.) NH3
Explanation:
An atom of sodium has 11 electrons. Make a sketch of a sodium atom, showing how many electrons it has at each energy level. Infer how reactive sodium atoms are.
SOMEONE HELP ME PLEASE :(. I DONT GET IT :(
What number should be placed in front of Fe to balance this chemical
equation?
_Fe+302>2Fe2O3
A. 8
B. 2
C. 1
D. 4
the answer is B. 2
because there is 2 iron on the right side so you need another two on the left side to balance it out
How do erosions affect land forms?
Erosion is the only cause of land form changes.
Land forms can be created by erosion.
Erosion can prevent land forms from being built.
Land forms can only be created through erosions.
Answer:
the anwser is landforms can be created by erosion
Explanation:
Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below.
Can you please add a picture of the case??
If the absorbance of the mixture is 0.20 at 453 nm, how many moles of Fe3 (aq) were present in the 100. mL sample
Despite this problem misses out crucial information for its solution, it turned out possible to come up with the attached absorbance graph, which shows the behavior of the absorbance of the sample with respect to the concentration at 453 nm.
As you can see, there is a red line and circle pointing out the concentration at which the sample has an absorbance of 0.20 (y-axis) which turns out to be 4x10⁻⁵ M (x-axis).
Now, since we require the moles of the iron (III) ions present in 100. mL of the sample, we recall the concept of molarity, which requires moles and volume in liters:
[tex]M=\frac{n}{V}[/tex]
Thus, since all the Fe⁺² in FeSCN⁺² is converted to Fe⁺³ we can find out the moles as shown below:
[tex]n=4x10^{-5}\frac{mol}{L} *0.100L\\\\n=4x10^{-6}mol[/tex]
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https://brainly.com/question/5650600https://brainly.com/question/13490034All the members of this family (inner transition metals) are both ______________ and _____________.
(HURRY PLS)
Answer:
The actinides and the lanthanides
michela and simone are camping in a ent during some hot weather
Why do metals form cations and nonmetals form anions?
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
Metals have tendency to loose electrons in order to get noble gas configuration, therefore they loose electrons to form Cations (positively charged ions)
for example ~ Sodium forms Na+
And
Non - metals have tendency to gain electrons in order to attain noble gas configuration , hence they gain electron from somewhere and bears a negative charge forming Anion.
for example ~ Chlorine forms Cl-
Dividing the distance a wave travels by the time it takes to travel that distance gives you the wave’s speed.
True
False
Answer:
true
Explanation:
hope this helps
Question 2
20 pts
What types of elements make up salt and what type of compound is it?
nonmetals only and covalent
metals only and ionic
metals and nonmetals and ionic
How many moles is 78.0 grams of sodium?
Answer:3.39
Explanation:
put these atoms in order of increasing radius: Na, Mg,Cl, P
Answer:
Cl < P < Mg < Na
Explanation:
Cl must have the smallest radius because it is located to the right of the remaining elements on the same row. P must have the second smallest radius because it is located to the right of the remaining elements on the same row. Mg must have the Third smallest radius because it is located to the right of Na on the same row. Therefore, Na has the Largest radius.
I hope it helps.
The structure of the periodic table is based on the distribution of
in each element. The elements are arranged in horizontal and vertical
Answer:
B- electrons, A- periods, B- groups
Explanation:
Which two factors will improve the efficiency of an inclined plane?
the answer is using rollers in conjunction with inclined plane.
In a crystal of an ionic compound, each cation is surrounded by a number of what?
Answer:In a metal, atoms readily lose electrons to form positive ions (cations). These ions are surrounded by delocalized electrons, which are responsible for conductivity.
Explanation:
Due to the structure of ionic compounds, in a crystal of an ionic compound, each cation is surrounded by a number of oppositely-charged anions.
What are ionic compounds?Ionic compounds are compounds that are composed of oppositely charged ions held together by strong electrostatic forces of attraction.
The ions present in an ionic compound are the positively-charged ions known as cations and the negatively-charged ions known as anions.
Each of the oppositely-charged ions are attracted to each other.
Therefore, in a crystal of an ionic compound, each cation is surrounded by a number of oppositely-charged anions.
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DO the postulates of daltons atomic theory explain the law of consrevetion of mass and thelaw of constant composition
Answer:
see answer
Explanation:
DO the postulates of Daltons atomic theory explain the law of conservation of mass and the law of constant composition.
Dalton's Atomic Theory Postulates1. Everything is composed of atoms, which are the indivisible building blocks of matter and cannot be destroyed or divided any further.
2. All atoms of a single pure element are the same in size and mass
3. Atoms of different elements vary from each other in size and mass.
4. Compounds are produced through different simple whole-number combinations of atoms to produce molecules.
5. Anywhere a compound exists, it will have the same atoms in the same ratio.
6. A chemical reaction between compounds is a re-arrangement of atoms
The law of conservation of mass is shown in 2, 4. and 5.
The law of constant co,position is shown in 2, 4, 5, and 6
An ameba absorbs oxygen from its environment and releases carbon dioxide into its environment. This process is known as
Answer:
Respiratory gas exchange
Explanation: