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Mazyrski [523]
3 years ago
14

What are the characteristics of electromagnetic waves?

Chemistry
1 answer:
CaHeK987 [17]3 years ago
3 0

Answer: Electromagnetic waves are transverse in nature as they propagate by varying the electric and magnetic fields such that the two fields are perpendicular to each other.

Accelerated charges are responsible to produce electromagnetic waves.

Explanation:

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How many liters of O₂ are needed to react completely with 10.0 L of H₂S at STP
sergiy2304 [10]

Ideal gas law is valid only for ideal gas not for vanderwaal gas. Therefore, 10L of  H₂S should react with 6.6L of oxygen at stanadard pressure and temperature.

<h3>What is ideal gas equation?</h3>

Ideal gas equation is the mathematical expression that relates pressure volume and temperature.

Mathematically the relation between Pressure, volume and temperature can be given as

P×V=n×R×T

where,

P = pressure of gas

V= volume of gas

n =number of moles of gas

T =temperature of gas

R = Gas constant = 0.0821 L.atm/K.mol

At Standard temperature and pressure, 2 moles of  H₂S react with 3 moles of 0₂. S0, 10L of H₂S should react with 0.66×10=6.6L of oxygen.

Therefore, 10L of H₂S should react with 6.6L of oxygen.

To learn more about ideal gas equation, here:

brainly.com/question/14826347

#SPJ1

7 0
1 year ago
The correct answer of (43.678)(64.1)
goblinko [34]

Answer:

2,799.7598

Explanation:

If you like my answer than please mark me brainliest thanks

5 0
3 years ago
Describe in detail, the Maillard Reaction.
Lynna [10]
The Maillard reaction is a chemical reaction between an amino acid and a reducing sugar, usually requiring the addition of heat. Like caramelization, it is a form of non-enzymatic browning. The reactive carbonyl group of the sugar interacts with the nucleophilic amino group of the amino acid, and interesting but poorly characterized odor and flavor molecules result. This process accelerates in an alkaline environment because the amino groups do not neutralize. This reaction is the basis of the flavoring industry, since the type of amino acid determines the resulting flavor.

In the process, hundreds of different flavor compounds are created. These compounds in turn break down to form yet more new flavor compounds, and so on. Each type of food has a very distinctive set of flavor compounds that are formed during the Maillard reaction. It is these same compounds that flavor scientists have used over the years to create artificial flavors.
7 0
3 years ago
What is the specific latent heat of fusion for a substance that takes 550 KJ to melt 14 KG at 262 K?
Arte-miy333 [17]

Answer:- The right choice is A. 3.9*10^4\frac{J}{kg} .

Solution:- Latent heat of fusion means the heat required to melt the solid at constant temperature means there is no change in temperature only the solid changes to liquid. So, it is a solid to liquid phase change.

q=m*\Delta H_f_u_s

where q is the heat required to convert solid to liquid, m is the mass and \Delta H_f_u_s is the latent heat of fusion.

From given info, 550 kJ that is 550000 J of heat is required to melt 14 kg of solid at 262K temperature. Let's rearrange the equation for latent heat of fusion and plug in the values in it.

\Delta H_f_u_s=\frac{q}{m}

\Delta H_f_u_s=\frac{550000J}{14kg}

\Delta H_f_u_s = 39286\frac{J}{kg}

If we round this value to two sig figs and write in scientific notations then it becomes 3.9*10^4\frac{J}{kg} .

So, the right choice is A. 3.9*10^4\frac{J}{kg} .

5 0
3 years ago
Are resonance structures needed to describe the structure hco2-
Marysya12 [62]
Resonance or mesomerism is applicable to structures that cannot be formed with a single bond alone. Thus, for the structure of HCO2, there can be 2 resonance structures. In each structure, the formal charges are

C=0;
C=0
Oxygen=0
C-O=-1
H=0

HCO2-'s structure is a mixture of the two resonance structures. Hope this helps.
6 0
4 years ago
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