A combustion reaction occurs between one molecule of methane (CHa) and two molecules of oxygen (O2).
How many atoms of carbon, hydrogen, and oxygen make up the products for this combustion reaction?
O A) 1 carbon, 1 hydrogen, and 1 oxygen
O B) 1 carbon, 1 hydrogen, and 2 oxygen
O C) 1 carbon, 4 hydrogen, and 2 oxygen
OD) 1 carbon, 4 hydrogen, and 4 oxygen

Answer:

with there wings

Explanation:

birds have wings that flap up and down when they fly and this process repeats over and over

Answer:

Group B

Explanation:

The fish in group B are those in the control group.

A control group during an experiment represents a group of the subject that is subjected to all experimental variables except the independent variable - the manipulate-able variable that is supplied by the experimenter which directly affects the dependent variable.

In this case, the independent variable is the type of food given to the two groups of fishes - microwaved or regular food while the dependent variable is the time it takes for the fishes to swim through the maze. Since the focus of the experiment is to see if microwaved food enhances the swimming speed of fishes, the group of fish that receives microwaved food would represent the treatment group while those that received regular food would be the control group.

Hence, group B represents the control group.

Answer:

3.5×10^-4 moles of methane is needed.

Answer:

The answer is D) Magnesium

Explanation:

Because smog is a mixture

sea water is a mixture

air is an element

And salt solvent

It can only be D

Explanation:

(A) Manganese salts give a grey borax bead test in reducing flame.

(B) From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl due to the formation of [Ag(NH

3

)

2

]Cl.

(C) Ferric ions give a prussian blue precipitate on adding potassium ferrocyanide solution (D). On boiling the solution having K

+

, Ca

2+

, and HCO

3

−

ions, we does not get a precipitate of K

2

Ca(CO

3

)

2

Answer:

Contraction. (Science: physiology) a shortening or reduction in size, in connection with muscles contraction implies shortening and/or development of tension. Origin: L. Contractus = drawn together.

Explanation:

hope this helped:)

Answer:

A

Explanation:

Neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen. It has no electric charge and a rest mass equal to 1.67493 × 10−27 kg—marginally greater than that of the proton but nearly 1,839 times greater than that of the electron.

Answer:

Quarter and half moons

Explanation:

Answer:

The Sun's energy is transferred as both light and heat energy, that raises the temperature of an area receiving the Sunlight. The increased temperature results in the evaporation of water from surfaces and water bodies, such that the mass of water vapor rises up into the atmosphere and condenses when it gets away from the ground heat to the cooler and higher altitudes

When there is a situation of low pressure, the wind blows into the low pressure, where, in the equator, comprises of high temperature air which could contain considerable amount of vapor from the neighboring water bodies, resulting in the eventual rise of very moist air, up into the atmosphere, that condenses at low temperature at the high altitudes, accumulate into larger masses of liquid water, and fall as rain

Explanation:

Answer:false

Explanation:

Answer:

14.0 g

Explanation:

nnandff

The mass in grams of sodium chloride must be added to make 400 mL of a 0.600 M sodium chloride is 14 grams.

Mass of any substance will be calculated by using their moles as:
n = W/M, where

W = required mass

M = molar mass

Also we know that, molarity of any solution is define as the number of moles of solute present in per liter of the solution.

M = n/V, where

M = molarity of NaCl = 0.600M

V = Volume of solution = 400mL = 0.4L

n = (0.6)(0.4) = 0.24moles

Now mass of NaCl will be calculated by using the first equation as:

W = (0.24mol)(58.44g/mol) = 14grams

Hence required mass of NaCl is 14 grams.

To know more about moles, visit the below link:

https://brainly.com/question/15374113

Answer:

.Periodic trends are specific patterns in the properties of chemical elements that are revealed in the periodic table of elements. Major periodic trends include electronegativity, ionization energy, electron affinity, atomic radii, ionic radius, metallic character, and chemical reactivity.

The volume of copper : 3.24 ml

Density is a quantity derived from the mass and volume

Density is the ratio of mass per unit volume

With the same mass, the volume of objects that have a high density will be smaller than objects with a smaller type of mass

The unit of density can be expressed in g/cm³ or kg/m³

Density formula:

[tex]\large{\boxed {\bold {\rho~=~ \frac {m} {V}}}}[/tex]

ρ = density , g/cm³ or kg/m³

m = mass , g or kg

v = volume , cm³  or m³

A common example is the water density of 1 gr / cm³

The density of copper : 8.96 gr/ml

mass of copper : 29 g

then the volume :

[tex]\tt V=\dfrac{m}{\rho}\\\\V=\dfrac{29~g}{8.96~g/ml}\\\\V=\boxed{\bold{3.24~ml~or~3.24~cm^3}}[/tex]

Answer:

Assume that the coffee has the same density, 0.997 g/mL ... One liter of water has a mass of 1 kg and a specific heat of 4.184 J/(g °C).

Explanation:

Answer:

40233.6

hope this helps

plz mark brainleist

Answer:

0.17 ( 2 s.f.)

Explanation:

d=m/v

=6/35

=0.1714285

=0.17

Answer:

Hey bro

Explanation:

I don't like boys and the answer most definitely is 69

Answer:

e.  89

Explanation:

The mass number is the number of protons and neutrons in an atom.  It doesn't include electrons.

43 + 46 = 89

Answer:

0.131 mol

Explanation:

To convert grams to moles, you need to use the molar mass.  The molar mass is the mass number.  You can find this on the periodic table.  The molar mass of sodium is 22.990 g/mol.

(3.02 g)/(22.990 g/mol) = 0.131 mol

Answer:

where are the solid blocks?

Explanation:

.......................................................

Answer:In the picture

Explanation: None

Answer:

a )0.05 moles of O₂

b) 1.1207 dm³

c) 0.3× 10²³ atoms of oxygen

d) 1.6 g

Explanation:

Given data:

Number of molecules of O₂ = 3.01 × 10²² molecules

Number of moles of O₂ = ?

Volume of oxygen at ATP = ?

Number of oxygen atoms = ?

Mass of oxygen = ?

Solution:

The given problem will solve by using Avogadro number.

"It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance".  The number 6.022 × 10²³ is called Avogadro number.

Moles of oxygen:

1 mole = 6.022 × 10²³  molecules

3.01 × 10²² molecules  × 1 mol  / 6.022 × 10²³  molecules

0.05 moles of O₂

Number of atoms of oxygen:

1 mole = 6.022 × 10²³ atoms

0.05 mol × 6.022 × 10²³ atoms /1 mol

0.3× 10²³ atoms of oxygen

Volume of oxygen:

1 mole of oxygen at STP occupy 22.414 dm³

0.05 mol × 22.414 dm³ / 1mol

1.1207 dm³

Mass of oxygen:

Mass = number of moles × molar mass

Mass = 0.05 mol  × 32 g/mol

Mass = 1.6 g

Answer:

C- a method of testing an idea

Answer:

its a Double Displacement (Metathesis) reaction

the balanced equation is 3AgNO3 + K3PO4 → Ag3PO4 + 3KNO3

Explanation:

Answer:

So Lithium (Li) and Oxygen (O) are both have two electron shells

Explanation:

Answer:

Lithium (Li) and oxygen (O) both have two electron shells.

Explanation:

Answered correct on my test.

Also I'm aware you asked this around 4 months ago although I still wanted to answer so those who may need an answer in the future can reflect on this response and get the correct answer they deserve. Thanks! Happy New Year everyone. <3

1. v= 20 miles/hr

2. d = 45 miles

Velocity is a vector that has both magnitude and direction

Velocity is the ratio of distance per time

Can be formulated :

[tex]\tt v=\dfrac{d}{t}[/tex]

v , m/s

d , m

t, s

1. d = 40 miles

t = 2 hr

[tex]\tt v=\dfrac{40~miles}{2~hr}\\\\v=20~miles/hr[/tex]

2. maybe you meant the distance traveled

v = 15 miles/hr

t = 3 hr

[tex]\tt d=v\times t\\\\d=15\times 3\\\\d=45~miles[/tex]

The patient recieves 2.4 g Tigan in 2 days

In finding the conversion units, we can multiply and eliminate the same units so that we can get the desired quantity or unit.

In this case, it is expected that the number of Tigan is known in 2 days, so we just need to multiply the numbers that are known

[tex]\tt =300\dfrac{mg}{capsules}\times \dfrac{1~capsules}{dose}\times 4.0\dfrac{doses}{day}\times 2.0~days\\\\=300\times 1\times 4.0\times 2.0~mg=2400~mg=\boxed{\bold{2.4~g}}[/tex]

Answer:

False

Explanation: