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Tom [10]
3 years ago
13

What is a predator???????

Chemistry
2 answers:
Bess [88]3 years ago
6 0

Answer:

It's an animal that hunts anothe animal in way to eat it

Explanation:

Fynjy0 [20]3 years ago
5 0

Answer:

someone or something that hunts like Loins hunts deer

Explanation:

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A 50.0-ml sample of 0.200 m sodium hydroxide is titrated with 0.200 m nitric acid. calculate the ph in the titration after you a
attashe74 [19]

Hey there!:

Concentration of NaOH = 0.200 M

Concentration of HNO₃= 0.200 M

Total volume =  50.0 mL + 60.0 mL = 110 mL=> 0.11 L

The neutralization reaction between  NaOH and HNO3 :

OH⁻  + H⁺  ---------->  H₂O

So :

n ( H⁺ ) = 60 mL * 0.200 M / 1000 mL  => 0.012 moles of H⁺

n ( OH⁻ ) = 50 mL 0.200 M / 1000 mL => 0.01 moles of OH⁻

Hence OH⁻ is limiting reagent  .

Remaining moles of  H⁺ = 0.012 - 0.01  =>  0.002 moles

Concentration of H⁺  = 0.002 M / 0.11 L

Concentration of H⁺ = 0.01818 moles/L

Therefore:

pH = - log [ H⁺ ]

pH = - log [ 0.01818 ]

pH = 1.74

Hope that helps!

7 0
3 years ago
The reaction for the formation of phosgene from carbon monoxide and chlorineCO + Cl2 --> COCl2 is first order in CO and secon
Ilya [14]

Answer:

r = k . [CO] .[Cl_{2}]

Explanation:

Let´s consider the following reaction:

CO + Cl₂ ⇒ COCl₂

The general rate law is:

r = k . [CO]^{m}. [Cl_{2}]^{n}

where,

r is the rate of the reaction

k is the rate constant

[CO] and [Cl₂] are the molar concentrations of each reactant

m and n are the reaction orders for each reactant

Since the reaction is first order in CO, m = 1. The overall order is the sum of all the individual orders. In this case, the overall order m + n = 2. Then,

m + n = 2

n = 2 - m = 2 - 1 = 1

The reaction is first order in Cl₂.

The rate law is:

r = k . [CO]. [Cl_{2}]

6 0
4 years ago
If nearly all scientist agree with a theory, it may be called______
AleksAgata [21]
A hypothesis or a law
4 0
3 years ago
Read 2 more answers
Research the ecology of your region and find one species that is endangered. Find an estimate of the population of the species i
Elza [17]

The endangered species in my region with their estimate population are:

  • Northwestern African Cheetah -  250
  • West African Lion -  400

<h3>What threat faces Northwestern African Cheetah?</h3>

This cheetah is said to be an endangered species because of their loss of their habitat and  also due to fragmentation, trade and little human-activities.

West African Lion is said to be an endangered species because the lion's historic range in West Africa was said to be lowered by a lot of amount or scale as a result of land use changes and human activities such as falling of trees, buildings, etc.

Hence the endangered species in my region with their estimate population are:

  • Northwestern African Cheetah -  250
  • West African Lion -  400

Learn more about endangered species from

brainly.com/question/19655487

#SPJ1.

8 0
2 years ago
What is the molarity of a HCl solution that contains 8.53 g of HCl in 372 mL of solution?
kirill [66]
First you find moles of HCl.

8.53gHCl(1 mol HCl/36.46gHCl)=0.234mol HCl

Then since molar it is mol/L you divide the number on moles of HCl by the amount of solution in L (0.372L).
Good luck!
7 0
4 years ago
Read 2 more answers
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