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2 years ago

Help me with these questions google won’t tell them for me!!

Chemistry

1 answer:

Irina-Kira [14]2 years ago

7 0

Sorry this is long, it’s the best I’ve got. The name was chosen based on the time of year (around December) during which these warm waters events tended to occur. The term El Niño refers to the large-scale ocean-atmosphere climate interaction linked to a periodic warming in sea surface temperatures across the central and east-central Equatorial Pacific. The term El Niño refers to the large-scale ocean-atmosphere climate interaction linked to a periodic warming in sea surface temperatures across the central and east-central Equatorial Pacific. The vast tropical Pacific Ocean receives more sunlight than any other region on Earth. Much of this sunlight is stored in the ocean in the form of heat. During an El Niño water temperatures in the Pacific Ocean may rise on average 3 - 5 degrees above average

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Boyle's law states that gas volume is Boyle's law states that gas volume is inversely proportional to temperature. directly prop

ankoles [38]

Answer: Boyle's law states that gas volume is inversely proportional to pressure.

Explanation:

Boyle's law is one of the law used to determine the Ideal Gas equation.

This law states that pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles

Mathematically,

$P\propto \frac{1}{V}$ (at constant temperature and number of moles)

The above expression can also be written as:

$P_1V_1=P_2V_2$

where,

$P_1\text{ and }V_1$ are initial pressure and volume of the gas

$P_2\text{ and }V_2$ are final pressure and volume of the gas

Hence, Boyle's law states that gas volume is inversely proportional to pressure.

8 0

3 years ago

Read 2 more answers

24. When the equation

serg [7]

Answer:

Explanation:

Explanation:

The reaction expression is given as:

Al(OH)₃ + HNO₃ → H₂O + Al(NO₃)₃

To solve this problem, let us assign coefficient a,b,c and d to each specie;

aAl(OH)₃ + bHNO₃ → cH₂O + dAl(NO₃)₃

Conserving Al : a = d

O: 3a + 3b = c + 9d

H: 3a + b = 2c

N: b = 3d

let a = 1 , d = 1, b = 3 , c = 3

Multiply through by 3;

a = 1, b = 3, c = 3 and d = 1

Al(OH)₃ + 3HNO₃ → 3H₂O + Al(NO₃)₃

7 0

3 years ago

Read 2 more answers

Chose the element pairings that are likely to react with each other Na and K or Na and Br

kaheart [24]

Answer:

Na k

Explanation:

because na is a metal and potassium is also a metal and both are active metal so is less likely to react as no bond is formed between them

7 0

3 years ago

Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coeff

ahrayia [7]

Answer:

NH4Br + AgNO3 —> AgBr + NH4NO3

Explanation:

When ammonium bromide and silver(I) nitrate react, the following are obtained as shown below:

NH4Br(aq) + AgNO3(aq) —>

In solution, NH4Br(aq) and AgNO3(aq) will dissociate as follow:

NH4Br(aq) —> NH4+(aq) + Br-(aq)

AgNO3(aq) —> Ag+(aq) + NO3-(aq)

The double displacement reaction will occur as follow:

NH4+(aq) + Br-(aq) + Ag+(aq) + NO3-(aq) —> Ag+(aq) + Br-(aq) + NH4+(aq) + NO3-(aq)

NH4Br(aq) + AgNO3(aq) —> AgBr(s) + NH4NO3(aq)

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3 years ago

Is ninhydren test positive for protein?

lyudmila [28]

The Ninhydrin test is not effective to detect high molecular weight proteins as the steric hindrance limits the ninhydrin from reaching the α-amino groups.

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2 years ago