The density of Xe at 61 °C and 588 mmHg is 3.71 g/L.
To calculate the density of Xe at 61 °C and 588 mmHg, we will use the Ideal Gas Law equation:
PV = nRT.
First, we need to convert the given temperature and pressure to the appropriate units.
Temperature (T) = 61 °C + 273.15 = 334.15 K
Pressure (P) = 588 mmHg × (1 atm/760 mmHg) = 0.7737 atm
Now, we need to rearrange the Ideal Gas Law equation to solve for density:
Density = (mass/volume) = (nM)/V
where M is the molar mass of Xe (131.29 g/mol)
We can substitute PV = nRT into the density equation:
Density = (PM)/(RT)
Now, plug in the given values:
Density = (0.7737 atm × 131.29 g/mol) / (0.08206 L•atm/mol•K × 334.15 K)
Density = 3.71 g/L
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What is the volume of 104 g of ethine under normal conditions?
0.143 moles is the volume of 104 g of ethine under normal conditions
SCIENCE
What is it called when two or more elements are brought together?
A. Solution.
B. Mixture.
C. Chemical reaction.
Answer:
C
chemical reaction .
Answer:
C
Explanation:
Chemical reaction.
Chlorine reacts very violently. What about its electron shells makes this the case?
Answer:
it readily gains another electron. the outer electron shell is closer to the nucleus, than iodine for example, which makes it less shielded (greater attraction for another electron = violent reaction to get it)
Explanation:
What is the formula for triboron silicide?
Answer:
B₃Si
Explanation:
Let's take break it down. From triboron silicide;
Tri - Three
Triboron - Three boron atoms
Silicide - Silicon (with an -ide suffix)
The formular is given as;
B₃Si
Una sola dosis de etanol, C2 H5 OH, eleva el nivel intracelular de iones calcio. Los iones Ca2+ liberados por el etanol 0,10 M matan las células del hígado de las ratas. Expresa esta concentración en gramos por litro. ¿Cuál es el porcentaje en volumen? (La densidad del etanol es de 0,785 g/mL.)
Answer:
No se bro cual se la respuesta .......
Explanation:
lo siento(
the speed of sounds depend on
Answer:
medium in which it is traveling
Explanation:
i hope it helps u
The transfer of ____________ is achieved when eating and feeding exists
Answer:
the transfer of energy because eating is gaining energy from a source, so the energy from that source is being transfer to the animal.
The transfer of energy is achieved when eating and feeding exists. Chemical processes may emit or absorb chemical energy.
What is energy?The ability of a physical process to carry out work is known as energy. It's crucial to remember that simply because energy exists doesn't indicate that it is always ready to do tasks. Thermal energy, sometimes known as heat, is generated when atoms or molecules move. It may be thought of as temperature-related energy.
This energy results from the location of an item. For instance, a ball resting on a table possesses potential energy in relation to the ground because of the influence of gravity. Chemical processes may emit or absorb chemical energy. It is created by atoms and molecules establishing or breaking chemical bonds.
Therefore, the transfer energy is achieved when eating and feeding exists.
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What are some genaral properties of gases that govern their behavior
Answer:
1. Gases may be compressed
2. Gases expand when less pressure is applied.
3. Gases can be mixed.
4. Gases exert a constant pressure on its container walls.
5. Gases have low densities.
I need some help with with question:
How could you prepare 100 ml of a 0.40 mol/L of MgSO4 solution from a stock solution of 2.0 mol/L MgSO4. And then how would u prepare it?
Answer:
C1V1=C2V2
C1 is 2.0mol/l
V1=?
C2=.4mol/L
V2=100ml or for this 0.1L
V1 is 20ml
Best way to prepare this is to measure out 20ml of the 2 molar solution and add 80mL to it to get to 100mL
Explanation:
HELPPPP I NEED TO SEND THEM TO MY TEACHER ITS REACTIONS AND SOME OF THEM MIGHT CANT HAPPEN
Answer:
Explanation:
follow the rule of "a weak acid can't make a stronger acid and weak base can't make a stronger base(it's pretty accurate for acid/salt reactions/replacemnts)" the last reactions won't work, but the second to last one will be kbr+pb(no3)2-> kno3 + PbBr2 (this is unballanced.) the first reaction will work. the second one i'm not too sure tbh, but i think it won't work since barium hydroxide's a weak base and if it were to react it would make koh, a super strong base
Answer:
3Ba(OH)2 + 2K3PO4 ----> 6KOH + Ba3(PO4)2
2KBr + Pb(NO3)2 ------> 2KNO3 + PbBr2
H3PO4 + 3KCl -----> K3PO4 + 3HCl
Explanation:
Which of the following statements is the best example of an interaction between the atmosphere and the hydrosphere ? Done rnnnn
Which of the following is considered a dilute solution? Choose all that apply.
Very sweet tea
Contact lens solution
Tide pods (laundry detergent)
Swimming pool water
Answer:
Very sweet tea
Explanation:
yeah... because sweet tea can cause tooth decay in our mouth thats why...(Please check the other answers also...Its all my point of view....thank you)
Elements and compounds are usually more dense in their solid than in their
liquid state. However, water is one of the notable exceptions. The density
of ice is 0.917 g/mL, while the density of liquid water is 1.00 g/mL. What
natural phenomena does this explain?
Explanation:
The molecules in water is more tightly packed than in ice, so water has greater density than ice.
First question and I'm already stuck. Help pls!
Answer:
definite volume. indefinite shape
Answer:
Red
Explanation:
Definite volume, indefinite shape
Which of these are correct
Answer:
A
Explanation:
I'm doing that rn and that's the answer
gases are also good conductors of electricity in discharge tube at
1)high pressure high voltage
2) low pressure low voltage
3) low pressure high voltage
4) never
pls help wil marks as brainliest
Answer:
3)low pressure and high voltage
Describe the modern system of classification. Help please!
Answer:
its called TAXON0MY
Explanation:
they are classified in eight steps namely doma!n, k!ngdom, phylum, class, order, family, genus, and spec!es
but sometimes we do not include doma!n
if you want to name an organism you use both the genus group and the spec!es group
Example:
The scientific name for humans like us is h0m0 sap!ens
H0m0- This is our genus group
sap!ens- This is our spec!es group
sorry for using the exclamation mark it means i
Answer:
The modern system of classification is a hierarchy with eight levels. These levels are domain, kingdom, phylum, class, order, family, genus, and species. There are three domains and six kingdoms in the modern system.
Explanation:
dilute hydrochloric acid+zinc metal
Explanation:
2HCl+2Zn----> 2ZnCl+H2
Explanation:
HCL + Zn= zncl2 + H2
plz mark my answer as brainlist if you find it useful.
A) lizard
B) salamander
C) mouse
D) pigeon
When elements are arranged according to increasing atomic number, there is a repeating, regular pattern of properties
This is called
periodic law
group
periodic table
family
Answer:
grpup
Explanation:
napagaralan namin yan
How many valence electrons does Oxygen have:
a) 3
b) 5
c) 13
Answer:
it has 6?
Explanation:
The answer should be 6
What properties do atoms of the same element share? Select all that apply
atomic number
chemical reactivity
melting point
Answer: your answer is A
Explanation: the atoms has the same properties of the same element as the atomic number.
What is the mass of a liquid that has a density of 124 g/mL and takes up a volume of 18 mL. What mass should the liquid have? (round you answer to the nearest hundredth)
N2 + 3H2 → 2NH3 How many grams of hydrogen are necessary to react completely with 853.42g of nitrogen in the above reaction?
Answer: 182.87 grams of hydrogen are necessary to react completely with 853.42g of nitrogen.
Explanation:
The balanced chemical reaction is :
[tex]N_2+3H_2\rightarrow 2NH_3[/tex]
[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex]
[tex]\text{Number of moles of nitrogen}=\frac{853.42g}{28g/mol}=30.479moles[/tex]
According to stoichiometry:
1 mole of [tex]N_2[/tex] react with = 3 moles of [tex]H_2[/tex]
30.479 moles of [tex]N_2[/tex] will react with=[tex]\frac{3}{1}\times 30.479=91.437moles[/tex] of [tex]H_2[/tex]
Mass of [tex]H_2[/tex] =[tex]moles\times {\text {Molar mass}}=91.437mol\times 2g/mol=182.87g[/tex]
Thus 182.87 grams of hydrogen are necessary to react completely with 853.42g of nitrogen.
PLEASE HELP!!!
How many kilograms of chlorine gas is needed to produce 45.0 grams of hydrochloric acid?
Answer:
43.76 g = 0.04376 Kg
Explanation:
The equation of the reaction is given as;
H2 + Cl2 --> 2HCl
From the equation;
1 mol of Cl2 produces 2 mol of HCl
Converting to mass;
Mass = Number of mol * Molar mass
Cl2;
Mass = 1 mol * 70.906 g/mol = 70.906 g
HCl;
Mass = 2 mol * 36.458 g/mol = 72.916 g
This means;
70.906 g of Cl2 produces 72.916 g of HCl
x g of Cl2 would produce 45g of HCl
70.906 = 72.916
x = 45
x = 45 * 70.906 / 72.916
x = 43.76g
Metal x combines with fluorine to form XF2. what compound does it form with the sulfate ion?
A. XSO4
B. X2SO4
C.X(SO4)2
Explanation:
The answer is A b/c
the polyatomic SO4² have 2 valance electron,also
the metal X also have 2 valance electron so,They cancel each other
Which of these is incorrect
Answer:
B
Explanation:
Ne has 10 electrons.
so the first shell will takes 2 (10-2=8)
the second shell will take 8 (8-8=0)
what is the formula for P₃O₅?
Answer:
i hope its help you
Explanation:
and goodnight,goodevening,goodmorning
the ____metals are in the first column. each of them has full shells, plus one extra electron sitting in a new, outer shell
A) Alkali
B) Alkali Earth
C) Arthropod
Answer:
The answer is A.
Explanation:
In periodic table, group 1 (1st column) are Alkali metals and group 2 (2nd column) are Alkali Earth metals.
Water often has dissolved gases and other chemicals in it. When this water encounters rocks, the minerals in the rocks can be changed by the process of