Need help balancing equations

Answer:

ketone

Explanation:

please mark me as brainlist

Answer:

D) 1.61 times faster

Explanation:

[tex]vrms_{NH3}[/tex] = √(3)RTM

R constant= 0.08206

T=constant, so in this problem we dont need a value for it

M=17.031 g/mol

√(3)(0.08206)(17.031)= 2.047

[tex]vrms_{CO2}[/tex] = √(3)RTM

R constant= 0.08206

T=constant, so in this problem we dont need a value for it

M= 44.01 g/mol

√(3)(0.08206)(44.01)= 3.29

Since we are trying to measure how much faster NH3 will be, we have to realize that mass and speed have an inverse relationship.

So instead of doing (2.047)/(3.29) = 6.22

we have to flip the values to get (3.29)/(2.047)= 1.61

Answer:

Kelvin

Explanation:

Answer:

Kelvin

Explanation:

Answer:

The London dispersion force is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles. Dispersion forces are present between any two molecules (even polar molecules) when they are almost touching.

Thus PROTON movement causes partial  positive & negative charges creating

attraction will be crrt

Answer:

By the end of this section, you will be able to:

Describe the fundamental properties of solutions

Calculate solution concentrations using molarity

Perform dilution calculations using the dilution equation

Answer:

the answer to this is ( H )

Answer:

Alumminum hydroxide reacts with sulfuric acid as follows: 2Al(OH)3+H2SO4-->Al2(SO4)+6H2O.

Explanation:

plz mark as brainlist

Explanation:

it would be

[tex]kc = (products) \div (reactants) \\ kc = \frac{nh3)^{2} \times (co2) \times (h2o)}{(nh4)^{2}co3 }[/tex]

this the expression however when you are working out Kc do not include nh4^2co3 as it is a solid and it's concentration remains constant so remember to remove the nh4^2co3 and usage would just have the top part to work out ok

Answer:

ADP

Explanation:

Answer:

B

Explanation:

Ethanol is C2H6O. Carbon diozidex is CO2. Ethanol has hydgrogen, where carbon dioxide does not.

Answer:

Explanation:

It is called a single replacement. K is one of the few chemicals that can force Aluminum to take on electrons. The balanced equation is

AIBr3 +3K → 3KBr + AI

Answer:    Single Displacement (Substitution)

Explanation:

Aluminum Bromide + Potassium = Potassium Bromide + Aluminum

Answer:

opiste of the word

Explanation:

Answer:(a) Potassium nitrate will begin to crystallise at about 56 °C, when its solubility is 100 g/100g water.

Explanation:

Answer:

Ammonium nitrate is NH4NO3

iron(II) sulfate is FeSO4

magnesium hydroxide is MG(OH)2

titanium(II) chloride is TiCI2

cobalt(III) oxide is Co2O3

potassium sulfide is K2S

Barium acetate is C4H6BaO4

magnesium bromide is MgBr2

lithium carbonate is Li2CO3

potassium permanganate is KMnO4

Answer:

In the compound Pb3(PO4)2, there are 3 Pb atoms, 2 P atoms, and 8 O atoms.

Let me know if this helps!

There are 3 atoms of pb(Lead), 2 atoms of P(Phosphorus) and 8 atoms of O(Oxygen) are present in Pb3(PO4)2.

A compound is a combination of atoms of same or different types of an element in a fixed ratio.

In the given question Pb3(PO4)2 is a compound of lead phosphate which is made up of 3 atoms of pb(Lead), 2 atoms of P(Phosphorus) and 8 atoms of O(Oxygen).

Learn more about atoms here: http://brainly.com/question/6258301

#SPJ2

Answer:

0.7712 L

Explanation:

Molarity = 0.25M

Volume = ?

Mass = 5.0 g

The relationship between these quantities is given as;

Molarity = Number of moles / Volume

Volume = Number of moles / Molarity

Number of moles = Mass / Molar mass

Molar mass of LiF = 25.939 g/mol

Number of moles  = 5 / 25.939 = 0.1928 mol

Volume = 0.1928 / 0.25 = 0.7712 L

Answer:

Blue dye spreads out quicker

Explanation:

This is because the dye gets spread out by water molecules. Warm water has faster moving water molecules than cold water.

Answer:

F has the smallest

Explanation:

The trend is that atomic radius increases as you move down a group

Hello, your answer is down below!

           A. F

I hope this helps mark brainlist if im correct!

Answer:

2 × (6.022 × 10 23) Na atoms, or 1.2044 × 10 24 Na atoms.

Explanation:

One mole of oxygen  contains 6.02 × 10²³ oxygen  atoms or formula units. Hence, moles of  contains 7.22  × 10²³ .

One mole of a substance is its amount containing 6.02 × 10²³  atoms or molecules. This number is called Avogadro number. One mole of every elements contains Avogadro number of atoms.

Similarly one mole of every compound contains 6.02 × 10²³  molecules. The mass of one mole of compound is called its molar mass.

Oxygen  is 16th element in periodic table.  One mole of oxygen  contains 6.02 × 10²³ oxygen  atoms . Hence number of atoms of 1.52 moles is:

1.2 × 6.02 × 10²³  = 7.22× 10²³ .

Hence, there will be 7.22 × 10²⁴  oxygen  atoms in 1.2  moles.

Find more on Avogadro number:

brainly.com/question/11907018

#SPJ6

Mass of NO₂= 203.32 g

Given

99.0 L of NO₂

Required

Mass of NO₂

Solution

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

So mol NO₂ :

= 99 : 22.4

= 4.42

Mass :

= mol x MW

= 4.42 x 46 g/mol

= 203.32 g

Answer:

The object with less mass will have a greater change in velocity

Explanation:

Answer:

the one with the smaller object mass becaise you get more force upon impact with less effort to move

Answer:

3

Explanation:

Answer:

Valence of Fe-3

Valence of O-2

Answer:

in doesn't rust which sends meatel into the drink

Explanation:

u are welcome

Answer:

Endothermic reaction

Explanation:

Endothermic means that energy is absorbed leading to more product.

The reaction in which the products can return back to reactants is called reversible reaction. The reaction where more products are formed is called endothermic  reaction where the products are more stable.

An endothermic reaction is a reaction where, the reactants absorbs heat energy and to produce new products. The term for heat absorption is called endothermic. Whereas the reaction in which heat is evolved is called an exothermic reaction.

In endothermic reaction, reactants gains thermal energy to overcome the  energy barrier for the reaction. Therefore the activation energy for products will also be lower indicates their stability.

The enthalpy change that the change in heat absorbed for the endothermic reaction will be positive that is ΔHrxn is +ve. Endothermic phase change involves an increase in entropy. Hence, the reaction that result in more products than reactants is endothermic.

To find more on endothermic reactions, refer here:

https://brainly.com/question/23184814

#SPJ2

Answer:

1 molecule of glucose contains 6 atoms

Explanation:

Answer:

there are 6 atoms :)) I think so

Answer:

Same i have headaches daily, maybe from infections such as meningitis or Intracranial pressure that's either too high or too low or id.k.

Group of answer choices.

A. Distance that sound travels through a solid, a liquid, and a gas.

B. Pitch of sound when it passes through a solid, a liquid, and a gas.

C. Distance sound travels through a solid, a liquid, and a gas at varying temperatures.

D. Time required for sound to travel a set distance through a solid, a liquid, and a gas.  

Answer:

D. Time required for sound to travel a set distance through a solid, a liquid, and a gas.

Explanation:

Sound are mechanical waves that are highly dependent on matter for their propagation and transmission.

Sound travels faster through solids than it does through either liquids or gases. A student could verify this statement by measuring the time required for sound to travel a set distance through a solid, a liquid, and a gas.

Mathematically, the time required for sound to travel is given by this formula;

[tex] Time = \frac {distance (x)}{speed (v)} [/tex]

Hence, the time taken for sound to travel through each medium (solid, liquid and gas) would be measured, recorded and compared to one another.

Answer:

Molecular

C6H8 has the empirical formulae as C3H4

Answer: the answer is A

Explanation:

The answers is A