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JulijaS [17]
3 years ago
15

Name 4 invasive species and describe their effect on ecosystem.

Chemistry
1 answer:
Grace [21]3 years ago
6 0

Spotted Lantern: Destroying our trees

Fishers: Brought to lower numbers of certain species, but have dramatically lowered other species.

Zebra Mussels: Clog pipes

Emerald Ash Borer: Ruins ash trees that provide us with durable wood.

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CHEM PLZ HELP, Which thermochemical equation represents the most exothermic reaction?
uysha [10]

Answer:

The answer is option 3, C5H12 + 8O2 → 5CO2 + 6H2O.

Explanation:

In an exothermic reaction, the energy change(ΔH) will always be a negative value.

For endothermic reaction, the energy change's value is positive.

In the options above, option 1 and 2 are endothermic reaction.

3 0
3 years ago
What is the difference between metallic and non metallic oxides?​
Sveta_85 [38]

Answer:

Metal oxides are compounds composed of metal ions and oxide ions. Nonmetal oxides are compounds composed of nonmetal atoms and oxygen atoms. The main difference between metal oxides and non metal oxides is that metal oxides are basic compounds whereas nonmetal oxides are acidic compounds.

Explanation:

have a great day ahead

tC

4 0
2 years ago
Read 2 more answers
The reaction below can be catalyzed by bromine (Br2). if you carried out such a reaction, which compound would you expect to fin
Vika [28.1K]

The answer is Br₂ since catalysts are regenerated at the end of a reaction.

3 0
3 years ago
2 H2 + 2 NO → N2 + 2 H2O the observed rate expression, under some conditions, is: rate = k[NO]2 Which of the following mechanism
guapka [62]

Explanation:

Rate law is defined as the rate of a reaction is directly proportional to the concentration of reactants at constant temperature.

               Rate \propto [\text{concentration of reactant}]^{n}

                                  = k [\text{concentration of reactant}]^{n}

where,     k = rate constant

                n = order of reaction

For the given reaction, 2H_{2} + 2NO \rightarrow N_{2} + 2H_{2}O

Hence, its rate will be as follows.

                   Rate = k[H_{2}][NO]

Also, it is known that slowest step in a chemical reaction is the rate determining step.

Hence, for the given rate law correct reaction is as follows.

Step 1 : H_{2} + NO \rightarrow N + H_{2}O (slow)

Balancing this equation it becomes H_{2} + 2NO \rightarrow N_{2}O + H_{2}O (slow)

Step 2: N_{2}O + H_{2} \rightarrow N_{2} + H_{2}O (fast)

4 0
3 years ago
What is the molecular formula of a compound if it’s empirical
snow_lady [41]
Depends on what compound we’re talking about here
4 0
3 years ago
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