Eugen Goldstein discovered in 1886 that atoms also have _________ charges.a. neutral
b. positive
c. negative

Answers

Answer 1

Answer: The correct answer for the question that is being presented above is this one: "b. positive" Eugen Goldstein discovered in 1886 that atoms also have positive charges. He was a German physicist and an early investigator of discharge tubes. He also discovered the anode rays.

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Ethanol and dimethyl ether have different chemical and physical properties because they have different(1) functional groups
(2) molecular masses
(3) numbers of covalent bonds
(4) percent compositions by mass

Answers

Answer: (1) functional groups

Explanation:

The compounds having similar molecular formula but different arrangement of atoms or groups in space are called isomers and the phenomenon is called as isomerism.

Functional groups are specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.

Dimethyl ether $(CH_3OCH_3)$ and ethanol $(C_2H_5OH)$ are functional isomers which have same molecular formula but different functional groups attached and thus have different physical and chemical properties.

They have same number of atoms and thus have similar molecular mass of 46 and same percent composition by mass. The number of covalent bonds are 8 in both compounds.

Ethanol and Dimethyl Ether have different functional groups due to the earlier being an Alcohol with functional group (COOH) and the latter an Ether with functional group (R-- O --R). This is the reason why they are chemically and physically different compounds.

(Option 1)

505 Kl expressed in liters

Answers

505000.0 L answer...

The relationship between the "absolute temperature" on the Kelvin scale and the Celsius temperature is given bv: T(K) = t(°C) + 273.15 t(°C) = T(K) + 273.15 T(K) = 5/8[4°C)] - 32 D) T(K) = 8/5[t(°C)] + 32

Answers

The correct formula for converting Celsius to Kelvin is T(K) = t(°C) + 273.15 and the reverse is t(°C) = T(K) - 273.15. The Kelvin scale, unlike Celsius and Fahrenheit scales, is an absolute temperature scale and starts from absolute zero.

The relationship between the absolute temperature on the Kelvin scale and the Celsius temperature is defined by a simple conversion formula: T(K) = t(°C) + 273.15. This formula expresses the temperature T in Kelvin as the temperature t in Celsius degrees plus 273.15. The reverse conversion, from Kelvin to Celsius, is represented by the formula: t(°C) = T(K) - 273.15. The other equations presented in the question appear to include irrelevant or incorrect elements and are not standard conversions between Celsius and Kelvin.

It's crucial to note that the Kelvin scale, unlike the Celsius and Fahrenheit scales, is an absolute temperature scale based on absolute zero, the theoretically lowest possible temperature. Therefore, there are no negative temperatures in Kelvin. This is one of the many reasons why it is used in scientific and engineering contexts.

To know more about Fahrenheit scales visit:

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Answer:

T(kelvins)=T(Degree celsius) +273.15

Explanation:

That's all

The two ends of a solenoid act likea. electrons.
b. a compass needle.
c. a circuit.
d. poles.

Answers

Answer:

d. poles

Explanation:

Magnetic field created by a solenoid:

The magnetic field created by a solenoid is increased by increasing the intensity of the current, by increasing the number of turns and by introducing a piece of iron inside the coil (electromagnet).

Solenoid coil with air core constructed with bare copper wire spirally wound and protected with insulating varnish. If we supply this coil with electric current using any source of electromotive force, such as a battery, for example, the flow of the current that will circulate through the coil will lead to the appearance of a magnetic field of a certain intensity around it.

Solenoid coil to which a metal core such as iron (Fe) has been introduced. If we compare the previous coil with air core with the coil of this illustration, we will see that now the lines of magnetic force are much more intensified as they have become an electromagnet.

D) The Answer Is Poles

Which type of pollution includes CFCs and smog?

Answers

Air pollution exist in two forms namely ozone and particle pollution. CFCs and smog are under the ozone form of pollution. Ozone type of pollution is mostly formed by reaction between the sunlight and the vapors that are emitted due to human activities.

The is Answer is air

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