Convert 975 kPa to mm Hg

Answers

Answer 1

Answer:

975 Millimeter Mercury (0°C) (mmHg)

129.98931 Kilopascal (kPa)

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Ammonia, NH3, can be classified as a base because in a chemical reaction with an acid, ammonia will (1 point)produce hydroxide ions in solution. produce hydronium ions in solution. donate a proton and become NH2–. accept a proton and become NH4+.

Answers

Answer: Option (d) is the correct answer.

Explanation:

Bases are the electron rich species which readily accept a proton. Therefore, when ammonia is classified as a base in a chemical reaction with an acid, it readily accepts a proton to give ammonium cation.

For example, the reaction of ammonia with hydrochloric acid will be as follows.

$NH_(3) + HCl \rightarrow NH^(+)_(4) + Cl^(-)$

Thus, we can conclude that ammonia, $NH_(3)$ , will accept a proton and become $NH^(+)_(4)$ .

NH will accept a proton and become NH4+

Bases follow $B^-+H^+=BH$ , with $B^-=NH_3$ in our case.

What do you call the amount of water vapor in the air?

Answers

should be absolute humidity.

Is NH3 a molecular crystal, metal, ionic crystal, or a network solid?

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Hi! NH3 is ammonia and it is a gas. It is a polar molecular solid and it can exhibit hydrogen bonding.

Answer:

Molecular Crystal

Explanation:

Hope this helps!

You are walking in Paris alongside the Eiffel Tower and suddenly a croissant smacks you on the head and knocks you to the ground. From your handy dandy tourist guidebook you find that the height of the Eiffel Tower is 300.5 m. If you neglect air resistance, calculate how many seconds the croissant dropped before it tagged you on the head.

Answers

Neglecting air resistance (that is, if you and the Eiffel Tower were in a giant vacuum chamber), the bagel would take 7.804 s to hit you on the head.

I will assume that you are 1.8 m tall, so the distance the bagel falls before it hits you on the head is

300.5 m - 1.8 m = 298.7 m

One of the important equations relating distance and acceleration is

s = v₀ +½at², where

s = distance,
v₀ = initial velocity,
a = acceleration, and
t = time.

I also assume that the person at the top of the tower didn't throw the bagel down at you, so v₀ = 0.

a is the acceleration due to gravity, which is 9.8099 m·s⁻² in Paris.

s = v₀ + ½ at²

298.7 m = 0 + ½ × 9.8099 m·s⁻² × t²

298.7 = 4.9050 t² s⁻²

t² = $(298.7 \text m)/( 4.9050 \text s^(-2))$ = 60.898 s²

t = $\sqrt{60.898 s^(2)}$ = 7.804 s

The time taken for the croissant to hit you on the head assuming you are 1.5 m tall is 7.73 s

Considering the question given above, your height was not stated.

Let your height be 1.5 m

Thus, the height of the Eiffel Tower to your head will be:

Height (h) = (Total height of tower) – (Your assumed height)

Total height of tower = 300.5 m

Your assumed height = 1.5 m

Height (h) = 300.5 – 1.5

Height (h) = 299 m

Finally, we shall determine the time taken for the croissant to hit you on the head.

Height (h) = 299 m

Acceleration due to gravity (g) = 10 m/s²

Time (t) =?

H = ½gt²

299 = ½ × 10 × t²

299 = 5 × t²

Divide both side by 5

$t^(2) = (299)/(5)\n\nt^(2) = 59.8$

Take the square root of both side

$t = √(59.8)$

t = 7.73 s

Therefore, the time taken for the croissant to hit you on the head assuming you are 1.5 m tall is 7.73 s

Learn more: brainly.com/question/19168584

Which organic reaction produces rubber and plastics? A) polymerization B) esterification C) saponification D) fermentation

Answers

Answer: Option (A) is the correct answer.

Explanation:

When monomers in a chemical reaction combine together then it results in the formation of long chains. This process is known as polymerization.

For example, rubber and plastic are formed by polymerization.

Esterification is defined as a process in which esters are formed when an acid is heated with alcohol.

Saponification is defined as a process in which aqueous alkali is heated with a fat or oil resulting in the formation of a soap.

Fermentation is a process in which bacteria like microorganisms, yeast etc help in the breakdown of a substance into simpler substances.

Thus, we can conclude that polymerization is an organic reaction which produces rubber and plastics.

The answer would be, A) Polymerization.

Heat, like work, is an energy transfer measured in

Answers

Heat, like work, is an energy transfer measured in:

joules.......I hope this helps

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Magnesium and nitrogen react in a combination reaction to produce magnesium nitride: 3 Mg + N2 → Mg3N2 In a particular experiment, a 9.27-g sample of N2 reacts completely. The mass of Mg consumed is __________ g.

A gas absorbs 3.4 kJ of heat and does 1.9 kJ of work. Calculate ΔE

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