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Lelu [443]
3 years ago
14

Which is NOT a type of fracture?

Chemistry
1 answer:
Andrews [41]3 years ago
7 0
B. Perfect ---------
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In the chemical reaction below, calcium (Ca) and water (H2O) react to form calcium hydroxide (Ca(OH)2) and hydrogen gas (H2). Ca
lakkis [162]

Answer:

C.

Explanation:

The mass of the reactants should not change, in fact it would be equal because the only thing that changes is the form in which your products are in. The reactants will still have the same amount of mass from the products as no products were removed or added, the structure changed, the mass did not.

8 0
3 years ago
Methane reacts with chlorine in the presence of ultraviolet light
earnstyle [38]

Answer:

When a mixture of methane and chlorine is exposed to ultraviolet light - typically sunlight - a substitution reaction occurs and the organic product is chloromethane. CH 4 + Cl 2 → CH 3 Cl + HCl However, the reaction doesn't stop there, and all the hydrogens in the methane can in turn be replaced by chlorine atoms.

Explanation:

hope it help i try best

7 0
2 years ago
Which of the following formulas represents an ionic compound?
Marta_Voda [28]

Answer:

BaI2

Explanation:

Hello, since the electronegativity of Barium and Iodine are 0.89 and 2.66, respectively, the difference is 1.77, so the bond is ionic.

Best regards.

5 0
3 years ago
Calculate the average reaction rate of Cl2 consumed using the following information. H2 + Cl2 yields 2 HCl A table with three co
klemol [59]
Answer : Option D) 2.50 X 10^{-3} Mol/(L s)

Explanation: While calculating the average reaction rate for the given reaction in terms of Cl;

H_{2} + Cl_{2}  ----\ \textgreater \  2HCl.

using the rate equation which is;

\frac{-1}{1}\frac{delta [Cl]}{delta t} = 

\frac{- 0.0875 - 0.0625}{10s - 0s} = 2.50 X 10^{-3} Mol/(L s)
5 0
3 years ago
Help please chemistry question
Gemiola [76]

Answer:

D. K_{a} = \frac{[\text{H}^{+}][\text{NO}_{2}^{-}]}{[\text{HNO}_{2}]}

Explanation:

The general form of an equilibrium constant expression is

K = \frac{[\text{Products}]}{[\text{Reactants}]}

In the equilibrium

HNO₂ ⇌ H⁺ + NO₂⁻

The products are H⁺ and NO₂⁻, and the reactant is HNO₂.

∴ K_{a} = \frac{[\text{H}^{+}][\text{NO}_{2}^{-}]}{[\text{HNO}_{2}]}

3 0
3 years ago
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