CHEMISTRY HIGH SCHOOL

Waves with the shortest wave lengths have the highest

Answers

Answer 1
Answer:

Answer:

shortest wavelength - gamma rays

highest wavelength - radio waves

Explanation:

Look at the electromagnetic spectrum
Answer 2
Answer:

Answer:

I don't use your question?

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Carbon atoms have four electrons in their outer shell. This means that a single carbon atom can form up to _______ bonds with other atoms.twoeightfoursix
No so that 01) In how many different ways can we arrange letten of the word HEURISTICS. C'must always occur at the third place?

What property of an atom determines its general reactivity?

Answers

The Chemical reactivity of metals varies with your eletropositividade, so the more eletropositivo is the most reactive element is metal. The most reactive metals are those that have great tendency to lose electrons and  therefore form positive ions with more ease.

hope this helps!

What will happen to the volume if the amount of a gas is decreased at constant temperature and pressure?

Answers

To predict the changes, we first that this gas is ideal. An ideal gas i when the molecules of the gas occupy a negligible volume and have no interactions with one another. The conditions of this gas can be calculated by the use of the Ideal Gas equation which is expressed as: PV=nRT. If this gas is at a constant temperature and pressure and the amount is decreased then the volume will most likely decrease as well.

What is the mole ratio of hydrogen to ammonia?N2 + 3H2 ---> 2NH3

1:1
1:2
3:2
5:4

Answers

Answer: The mole ratio of hydrogen to ammonia is 3 : 2

Explanation:

Mole ratio is defined as the ratio of number of moles of the substances whose ratio is to be calculated.

In a chemical reaction, the stoichiometric coefficients represents the number of moles.

For the given chemical reaction of production of ammonia follows:

N_2+3H_2\rightarrow 2NH_3

By stoichiometry of the reaction:

1 mole of nitrogen reacts with 3 moles of hydrogen to produce 2 moles of ammonia.

So, the mole ratio of hydrogen to ammonia in a given chemical reaction is 3 : 2

The mole ratio of hydrogen to ammonia is 3:2.

The mole ratio of hydrogen to ammonia can be determined by examining the balanced chemical equation for the reaction:

N₂ + 3H₂ ⇒ 2NH₃

From the equation, we can see that 3 moles of hydrogen react with 1 mole of nitrogen to produce 2 moles of ammonia.

The coefficients in the balanced equation represent the mole ratio between the reactants and products. Here's a breakdown:

For every 1 mole of nitrogen, require 3 moles of hydrogen.

These 3 moles of hydrogen will react with 1 mole of nitrogen to produce 2 moles of ammonia.

To learn more about the mole ratio, follow the link:

brainly.com/question/14425689

#SPJ6

6 CO2 + 6 H2O + Energy--> C6H12O6 + 6 O2 is the chemical formula for:A: abiogenesis
B: Respiration
C: Photosynthesis
D: Homostasis

Answers

This would be the formula representing the process of C. Photosynthesis.

Answer:

C. photosynthesis

Explanation:

While testing amylase activity, John uses a buffer of pH 6 and substrate starch. He incubates them at 104ºF (40ºC). All the tubes show glucose formation, except one, which had no starch solution. Why did this happen?A) the optimum pH for enzyme amylase is not pH 6
B) the optimum temputure for the enzyme amylase is not 104. F (40.)
C) the substrate for amylase, starch, is not present

Answers

While testing amylase activity, John uses a buffer of pH 6 and substrate starch. He incubates them at 104ºF (40ºC). All the tubes show glucose formation, except one, which had no starch solution because  the substrate for amylase, starch, is not present so thats why it does not show glucose formation
so correct option is C
hope it helps

Answer:

c

Explanation:

Regarding the vaporization of water, which of the following is true? A. A great deal of heat must be lost by water to form hydrogen bonds and allow molecules to move farther apart. B. A great deal of heat must be absorbed by water to break hydrogen bonds and allow molecules to move farther apart. C. Vaporization of water is an exothermic process. D. Water must lose a great deal of heat before it will vaporize.

Answers

Answer: B. A great deal of heat must be absorbed by water to break hydrogen bonds and allow molecules to move farther apart.

Explanation:

Vaporization is a physical process where liquid state changes to gaseous state.

H_2O(l)\rightarrow H_2O(g)

Water molecules are bonded by strong hydrogen bonding between the hydrogen atom and the electronegative oxygen atom. Thus water molecules present on the surface are strongly attracted by the molecules present below the surface.

Thus as liquid state has to be changed to gaseous state, the heat must be supplied and the reaction will be endothermic.The heat is used to break the inter molecular forces or the hydrogen bonds present in water to convert them to randomly moving gaseous state.
B. A great deal of heat must be absorbed by water to break hydrogen bonds and allow molecules to move farther apart.
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