Answer:
Carbon monoxide
As then Oxygen is available in sufficient amount
Explanation:
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What volume of hydrogen gas, when combined with nitrogen gas,
is necessary to produce 16.0 L of ammonia gas (NH3)?
The volume of Hydrogen gas : 24 L
Further explanationGiven
16 L Ammonia(NH₃)
Required
The volume of Hydrogen gas
Solution
Reaction
N₂ + 3H₂ ⇒ 2NH₃
Avogadro's hypothesis:
In the same T,P and V, the gas contains the same number of molecules
So the ratio of gas volume will be equal to the ratio of gas moles
V₁/n₁=V₂/n₂
From the equation, mol ratio of H₂ : NH₃ = 3 : 2, so volume of H₂ :
= 3/2 x volume of NH₃
= 3/2 x 16 L
= 24 L
A sample of a compound contains 24 grams of carbon and 64 grams of oxygen. What
is the empirical formula of this compound?
Answer:
CO2
Explanation:
it's the simplest whole number ratio of atoms of each element in the compound.
Answer:
C2O4
Explanation:
What Period # is this element found in? P
How many atoms of oxygen are in a molecule of glucose (C6H12O6)?
Record your answer. Be sure to use the correct place value.
Answer:
There are 6 oxygen atoms.
Explanation:
Glucose has a chemical formula of: C6H12O6 That means glucose is made of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms.
hope this helps
The molecular formula of glucose is C₆H₁₂O₆, therefore one molecule of glucose has six oxygen atoms.
What is the chemical formula?A chemical formula is a way of representing information about the chemical proportions of atoms of each element that are present in a molecule or chemical compound. The chemical formula can be written by using chemical symbols, numbers, and other symbols, such as commas, dashes, brackets, and plus (+) and minus (−) signs.
A chemical formula of a compound contains no words but can represent certain simple chemical structures. Chemical formulae are usually more limited in power than structural formulae and chemical names. There are two types of chemical formulas one empirical formula and another molecular formula.
In a molecular formula, more than one atom of the same element can be represented by subscripts. The given formula of glucose is C₆H₁₂O₆ and the total number of oxygen atoms in the formula is equal to six.
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Sample A is measured to have a mass of 7.3g and sample B has a mass of 8.28g. Which measurement best describes their combined mass?
A.16g
B.15.58g
c.15.5g
D15.6g
Which of the following statements accurately
paraphrases evidence from the article to support
the conclusion?
A
Quantitative data is based on numbers, while
qualitative data is based on observations.
B.
Qualitative observations often lead to deeper
study using quantitative measurements.
С
Qualitative data is based on numbers, while
quantitative data is based on observations,
D
Quantitative observations often lead to deeper
study using qualitative measurements
Describe the function of the PNS and
the CNS.
Answer: PNS, CNS is
Periferal nervous system. Central nervous system.
Explanation:
What types of solutes are electrolytes when they dissolve in water to form solutions?
Since water does not have charged particles, water is a non-conductor. When some solutes dissolve in water they allow an electric current to flow through the water and the solution conducts electricity. These solutes are called electrolytes. ... Non-electrolytes like sugar dissolve to form molecules in solution.
can electricity and light bring about reversible and irreversible changes ? Give examples
Answer:
yes
Explanation:
Yes, electricity and light can bring reversible and irreversible changes. Light : Reversible change - The light illuminate it's surrounding's environment which is reversible when we turn off the source of the light. ... And,this reaction is an irreversible change
I need help with this
Answer: B
Explanation: All you have to do to find out if an equation is balanced is count the number of atoms on each side. To be balanced, they must be equal.
In case you didn’t know: The number in front of an element or compound means that you will multiply. For instance, 2AlBr3 would have 2 Al atoms and 6 Br atoms. The subscript number just means how many atoms there are in that compound.
which group served as the control in this investigation
Answer:
What is the investigation?
Explanation:
what are the orbitals present in the fifth principal energy level
Answer:
what are the orbitals present in the fifth principal energy level
Explanation:
Answer: the fifth principal energy level has the s, p, d, and f orbitals so the answer is letter d
Explanation:
can yall help w this? iss times so try nd hurry :P
Answer:
The first option
Explanation:
No new compounds were added, and the pre existing ones wern't changed, so option one is the only one that makes sense.
Good luck!
Calcium solid is placed in a solution of iron (III) chloride producing calcium chloride and iron solid
Answer:
3Ca₍s₎ + 2FeCl₃ -------------------------------------------------------------> 3CaCl₂ + 2Fe₍s₎.
Explanation:
Iron(III) chloride is also known as Iron trichloride and it has the molar mass value of 162.2 g/mol and density of 2.9 g/cm³.
The balanced equation for the chemical reaction between solid calcium and iron (III) chloride is given below as:
3Ca₍s₎ + 2FeCl₃ -------------------------------------------------------------> 3CaCl₂ + 2Fe₍s₎.
This kind of chemical reaction is known as single displacement reaction or single replacement reaction.
The rate of motion or the speed of an object is commonly expressed in.
What is the molecular formula for CH2 with molar mass 90 g/mol?
Answer:
CH2: (1×12g/mol)+(2×1g/mol)=14 g/mol.
A plane flies from NY to LA at a constant speed of 800 km/hr. How long will it take the plane to fly the 4200 km? 5
As the plane plane flies at a constant speed of 800 km/hr the plane will take 5 hours 25 minutes to fly distance of 4200 km.
What is speed?Speed is defined as the rate of change of distance with time. It has the dimension of distance by time. Thus, the SI unit of speed is given as the combination of the basic unit of distance and the basic unit of Time. Thus, the SI unit of speed is metre per second. In everyday life, kilometre per hour or in countries like US and UK miles per hour are used as the unit of speed.
The SI unit of speed can be derived from the formula of velocity. Basically, velocity is the vector equivalent of speed. Mathematically, velocity is given as the ratio of displacement to the time taken.So, 800 km is traveled in 1 hour so 4200 km will be traveled 4200/800=5.25 which is 5 hours and 25 minutes.
Thus, the plane will take 5 hours 25 minutes to fly distance of 4200 km.
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The atmosphere consists of (a) Gases only (b) Water vapour only (c) Chemicals (d) Gases and water vapours science
Answer:
(d) Gases and water vapour
Explanation:
The atmosphere is a part of the Earth that contains predominantly gases or gaseous substances. In other words, the atmosphere is a combination of different gases, including water vapour.
Atmosphere is said to contain the following gases in the following proportion:
- Nitrogen (78%)
- Oxygen (21%)
- Argon (0.9%)
- Carbon dioxide (0.04%)
- Water vapour (1-4%)
Therefore, the Earth's atmosphere consists of many gases and water vapour.
How does the bond formed determine the physical and chemical characteristics of the compounds and molecules formed?
I'm pretty sure we have the same class (I go to FL), because I have the same problem, and it was assigned the day you posted this, so I can't give a full answer but important things would be conducting electricity, solubility, flexibility, shape, and geometries. Sorry I can't be of more help!
What gases do scientists think may have been in the early atmosphere? *
2)
Compare the atomic radius of an atom of bromine to the atomic radius of an atom
potassium when both atoms are in the ground state.
against at -20 degree centigrade occupied the volume of one 40 ml calculate the temperature at which the volume of cash pickup 65ml pressure remain constant
The final temperature :T₂=411.125 K = 138.125 °C
Further explanationGiven
T₁=-20 °C+273 = 253 K
V₁=40 ml
V₂=65 ml
Required
Final temperature
Solution
Charles's Law
When the gas pressure is kept constant, the gas volume is proportional to the temperature
[tex]\tt \dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}[/tex]
Input the value :
T₂=(V₂.T₁)/V₁
T₂=(65.253)/40
T₂=411.125 K = 138.125 °C
MgCl2+ Na2O---> NaCl+ Mgo
Balance the equation
Answer:
MgCl2 + Na2O ---> 2NaCl + MgO
Which of the following characteristics indicates that an atom is unstable?
A. A full valence shell
B. Forming very strong bonds
C. Existing by itself
D. Low electronegativity
Forming very strong bonds indicates that an atom is unstable. Option B
Characteristics of an unstable atomForces binding it are unbalancedThe nucleus possesses an excess internal energy.It lacks a full valence shell due to lack of electronsPossession of high electronegativity, due to attraction of electrons.Forms electrostatic bonds; very strong bonds.Therefore, forming very strong bonds indicates that an atom is unstable. Option B
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Which of the following types of radiation from the Sun has the longest wavelength?
A) gamma
B) infrared
C) ultraviolet
D) visible
Answer:
B) infrared im pretty sure
Answer:
Infrared
Explanation:
In the chemical formula for table sugar C12H22O11, How
many oxygen atoms are in each sugar molecule?
Answer:
Number of oxygen atom = 11
Explanation:
Given:
Table sugar C₁₂H₂₂O₁₁
In the given formula;
Number of carbon atom = 12
Number of hydrogen atom = 22
Number of oxygen atom = 11
Answer:2
Explanation:2w2222
The climate of an area is most affected by the amount of
A
animals in the region.
B
moonlight it receives.
C
people in the region.
D
sunlight it receives.
Answer:
D. I think
.........mm..
light travels faster than sons. true or false?
Answer:
true
Explanation:
light travels faster than sound.
when the foil is negatively charged will all of the foil still be made up of aluminum atoms
Answer:
Yes.
Explanation:
Electric charge cannot change the elemental composition of a substance.
The application of charge to the aluminium foil does not change the composition of the foil and hence the foil will still be made up of aluminium atoms.
What is an atom?An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.
The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.
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HELPPP!!!!!!!!!!!! ty
Answer:
increases
Explanation:
it turns out that an object increases as the square of it's speed.
Answer:
Explanation:
In all physical processes taking place in closed systems, the amount of change in kinetic energy is equal to the amount of change in potential energy. If the kinetic energy increases, the potential energy decreases, and vice-versa. this equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. so therfore stays the same as the object so it would speed up as well.