Explanation:
The structure of Ferrarrisite Ca5(HAs O4)2(AsO4)2
when it rains the water that falls is ____ the earth
Look at the following equation.
Au O3 → _Au +_02
In order to follow the law of conservation of mass, this equation must have which set of coefficients, in order from left to right?
Answer:
Explanation: possible oxidation numbers of Au are +I and +III
Au2O3 ⇒ 2 Au + 3 O2
convert 3.6 x 10^2 atm to torr
Answer:
3.6 x (10^2) atm = 273 600 torr
Explanation:
Hope that helps
nine families in orgo land 1)Halides:
(2) Alcohols:
(3) Ethers:
(4) Aldehydes:
(5) Ketones:
(6) Organic Acids: (aka - carboxylic acid)
(7) Ester:
Amines:
(9) Amides:
Which is an example of a double
replacement reaction?
2Na+ Cl2 + 2NaCl
H2SO3 → H20 + S02
2K + 2H20 – 2KOH + H2
NaCl + AgF-NaF + AgCI
Answer:
NaCl + AgF → NaF + AgCl
Explanation:
A double replacement reaction is a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.
From all the reactions given ,
2Na + Cl₂ → 2NaCl is an example of combination reaction because two or more reactants (Na & Cl₂) react with each other to form a single product (NaCl)H₂SO₃ → H₂O + SO₂ is an example of decomposition reaction because a single reactant (H₂SO₃) breaks down into two or more products (H₂O & SO₂).2K + 2H₂O → 2KOH + H₂ is an example of displacement reaction because a highly reactive element (K) displaces a least reactive element (H) from its compound (H₂O).NaCl + AgF → NaF + AgCl is an example of double replacement reaction because there's an exchange between Cations ([tex]Na^+[/tex] & [tex]Ag^{+}[/tex]) and Anions ([tex]Cl^-[/tex] & [tex]F^-[/tex]).A scientist is studying a liquid. If she lowers the temperature of the liquid,
which of the following will most likely occur? *PLEASE HELPPPPPPPPP*
The liquid will boil
The liquid will melt
The liquid will freeze
The liquid will evaporate
5. (03.02 LC)
What is the charge on an atom after it gains an electron during the formation of a bond? (5 points)
One positive charge
Two positive charges
Two negative charges
One negative charge
one negative charge because electrons have a negative charge
The average the temperature of the planets
Answer: Mercury - 800°F (430°C) during the day, -290°F (-180°C) at night. Venus - 880°F (471°C) Earth - 61°F (16°C) Mars - minus 20°F (-28°C)
Explanation: hope this helps!
the apparent curving of winds due to earth's rotation is called the
Help please
in what kind of reaction do two or more substances combine
Answer:
The answer is synthesis reaction
Explanation:
Also known as a composition reaction, a synthesis reaction is a reaction in which two or more substances combine to form a new compound.
I copied and pasted the explanation part. But I hope the information is still helpful :)
why do you think the pressure changed as it did when the temperature was increased?
Answer:
La Convención Marco de las Naciones Unidas sobre el Cambio Climático (CMNUCC) en su Artículo 1, lo define como ‘un cambio de clima atribuido directa o indirectamente a la actividad humana que altera la composición de la atmósfera mundial y que se suma a la variabilidad natural del clima observada durante períodos de tiempo comparables’. La CMNUCC distingue entre ‘cambio climático’ atribuido a actividades humanas que alteran la composición atmosférica y ‘variabilidad climática’ atribuida a causas naturales.
Los científicos han encontrado evidencias de que el clima en el planeta está cambiando a un ritmo más acelerado de lo esperado y que nuestras actividades ligadas a la producción, extracción, asentamiento y consumo, son la principal causa de este aceleramiento en el cambio.
El mayor problema de un cambio acelerado en el clima es que nuestras sociedades no están preparadas para asumir los cambios que esto nos pueda traer: derretimiento de las masas glaciares y nevados que abastecen acueductos, cambios en los ciclos de floración y fructificación de las plantas de cultivo, ascensos en el nivel de los mares donde hay mucha población viviendo, mayor ocurrencia y fuerza en lluvias, sequías, huracanes, heladas y granizadas en áreas urbanas y rurales, entre otros fenómenos que sin duda reducen nuestra calidad de vida.
Explanation:
espero te áyude
How do I convert this equation to a skeleton equation?
Methane gas + oxygen gas carbon dioxide + water
Answer:
2CH4 + 4O2 => 2CO2 + 4H2O
Explanation:
Mark brainly if it's helpful
How many Liters of I2 are produced when 241.6 grams of KI are reacted with excess CuBr2?
Answer:
8.15 L I2
Explanation:
So, I have the balanced equation of: 2CuBr2 +4KI → 2CuI + 4KBr + I2
Now, we do:
241.6g / 1 mol KI / 1 mol I2 / 22.4 L
--------------------------------------------------------- = 8.15 L I2
/ 166g KI / 4 mol KI / 1 mol I2
Hope this helps! ^u^
How long does it take a ray of light to travel from the Sun to Earth?
A. 2 hours
B. 8 minutes
C. 2 years
D. 30 minutes
Answer:
it should take about 8 minutes and 20 seconds
so, b
1
What is the definition of chemical change?
A any change that results in the formation of new chemical substances.
B changing clothes
matter cannot be created or destroyed, only change form
D changes affecting the form of a chemical substance, but not its chemical composition
Answer:
A. any change that results in the formation of new chemical substances.
what is coulombic attraction as it pertains to an atom?
If a concentration had X number of compounds and its concentration was 7 mol/L, if
we wanted "2X" number of compounds what would the concentration be?
3.5 mol/L
2 mol/L
7 mol/L
14 mol/L
Answer:I think the answer would be 2 mol/L
The electromagnetic spectrum includes the complete range of electromagnetic waves placed in order of:
A.) Increasing amplitude
B.) Increasing frequency
C.) Increasing wave length
Answer:
c
Explanation:
incresing wave length
A chemistry student experiments on producing table salt by reacting pure sodium cubes with confined chlorine gas. If the procedure is successful, how much salt is produced with 160 g of chlorine gas used? *
with solution pls
Answer: 263 grams of salt is produced.
Explanation:
To calculate the moles :
[tex]\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}[/tex]
[tex]\text{Moles of} Cl_2=\frac{160g}{71g/mol}=2.25moles[/tex]
The balanced chemical reaction is:
[tex]2Na(s)+Cl_2(g)\rightarrow 2NaCl(s)[/tex]
According to stoichiometry :
1 mole of [tex]Cl_2[/tex] produce = 2 moles of [tex]NaCl[/tex]
Thus 2.25 moles of [tex]Cl_2[/tex] will produce =[tex]\frac{2}{1}\times 2.25=4.50moles[/tex] of [tex]NaCl[/tex]
Mass of [tex]NaCl=moles\times {\text {Molar mass}}=4.50moles\times 58.5g/mol=263g[/tex]
Thus 263 grams of salt is produced.
A picture of a patient’s lung showed it to be shriveled and darker than usual.
Which is most likely the cause of this lung condition?
A. smoking
B. overeating
C. sickle cell anemia
D. poor refrigeration
Answer:
Smoking
Explanation:
It has been proven time and time again to ruin lungs, effectively shortenning ones lifespan.
Explanation:
Smoking, because smoking causes these types of symptoms in long time smokers and people who start to smoke. also I know the answer cause my dad's a nurse.
A hot air balloon rises because the fire warms up the air and the air circulates to fill the balloon and lift it at the same time. What type of heat transfer is this?
A.Conduction
B.Convection
C.Radiation
D.Absorption
PS: Please Hurry ! Thank You !
Answer:
B.
Explanation:
Convection is the transfer of heat energy, I'm REALLY sure. Please tell me if its wrong in the comments!
15.
CzH60
+
O2
Chemical equation:
Type of reaction:
I
Answer:
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Type of reaction: combustion
Which best describes sodium chloride (NaCl)?
Answer: NaCl is an ionic compound
Explanation: Sodium Chloride is formed from Na+ and Cl- ions.
It is soluble in water, it has crystalline structure, it has high melting point and
It is insulator as solid form. Water solution leads current.
Which weather component describes how fast the wind is moving?
Wind direction
Wind pressure
Wind speed
Wind vane
The Moon's gravity is ONE SIXTH of the Earth's gravity. If you weigh 60
Newtons on the Earth, what would you weigh on the Moon?
6 Newtons
60 Newtons
10 Newtons
360 Newtons
Heat energy that is lost cannot usually be used to produce work.
True False
Answer:
true
Explanation:
thanks for free point
Can SOMEONE PLEASE HELP!!!!!!!
What is the frequency of a wave with a velocity of 100 m/s and a wavelength
of 20 m?
A. 5 Hz
O B. 120 Hz
C. 2000 Hz
O D. 0.2 Hz
Answer:
Frequency = Velocity / Wavelength = 100 m/s / 20 m = 5 s-1 or 5 Hz.
Explanation:
The frequency of a wave with a velocity of 100 m/s and a wavelength of 20m is 5 Hz.
So, option A is correct one.
What is frequency?The number of waves that pass per unit time is called frequency.Formula: [tex]v = c/lamda[/tex]v = Frequency of wave
c = Velocity
lamda = wavelength of wave
Calculation,
Let velocity = 100 m/s
wavelength = 20m is 5 Hz.
Then, Formula: [tex]v = c/lamda[/tex]
[tex]v[/tex] = 100 m/s / 20m = 5 [tex]s^{-1}[/tex] = 5 Hz ( 1 [tex]s^{-1}[/tex] = Hz )
So, frequency of wave is 5 Hz
Learn about frequency,
https://brainly.com/question/14316711
#SPJ2
Double and triple bonds form because
Select the answer choice that is arranged from smallest to largest.
Answer:
Im like 75% sure that the answer is C.
Explanation:
Hope this helps! Have a great day. Remember your amazing and you got this! Alycia <3