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4 years ago

What is the limiting reactant ?

Chemistry

1 answer:

Sav [38]4 years ago

4 0

The limiting reagent in a chemical reaction is the substance that is totally consumed when the chemical reaction is complete. The amount of product formed is limited by this reagent, since the reaction cannot continue without it.

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in general, as the temperature increases, the solubility of gases in water ____ and the solubility of most solids in water___

saul85 [17]

Answer:

in general, as the temperature increases, the solubility of gases in water decreases and the solubility of most solids in water increases.

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3 years ago

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Alex787 [66]

Answer:

2a. Calcium chloride

2b.hydrochloride acid

2c. water molecules

2d.hydrochloric acid

2e.carbon dioxide

Explanation:

CaCO3+2HCl＝CaCl2+CO2+H2O

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3 years ago

an alpha particle is identical to a). a neutron b) a helium nucleus c) an electron d) a hydrogen nucleus

ElenaW [278]

Alpha particles, also called alpha ray or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay, but may also be produced in other ways.

Composition: 2 protons, 2 neutrons

Mass: 6.644657230(82)×10−27 kg; 4.0015061...

Electric charge: +2 e

Symbol: α, α2+, He2+

3 0

3 years ago

Read 2 more answers

Calculate the energy E (in MeV) released in the following nuclear fission reaction: 242 Am + X → 90 Sr + 149 La + 4 n Start by c

KonstantinChe [14]

Answer:

177.993 MeV

Explanation:

Nuclear fission refers to a process where a nucleus is broken into smaller ones.

m(Am) = 242.0595490 u, m(Sr) = 89.9077387 u, m(La) = 148.934733 u and m(n) = 1.008665 u. To find the mass of X, we sum up the masses on both side and subtract them according to the equation given

242 + X = 90 +149 + 4

X = 243 - 242 = 1

so X is a neutron

next we calculate the Δm ( change in mass)

Δm = mass reactant - mass of product

(242.0595490 + 1.008665 ) - ( 89.9077387 + 148.934733 + 4 (1.008665))

= 243.068214 - 242.8771317 = 0.1910823 u

using the formula

E = (Δm) c² = 0.1910823 u × c² × $\frac{931.5MeV}{c^2}$ × $\frac{1}{u}$ = 177.993 MeV

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4 years ago

HELPPPPPP PLZZZz i'll mark brainliest! Infrared (IR) and ultraviolet (UV) light. But above 29°C, the coating on the glass underg

vlada-n [284]

Answer:

ur question was already answered

Explanation:

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3 years ago