List a couple general characteristics of primary consumers and list a few examples.

2 answers:

4 0

Primary consumers operate one level up from plants and eat only plants

small crustaceans as primary consumers

antelopes as primary consumers

mice are the primary consumers

SVEN [57.7K]3 years ago

4 0

Answer:

Primary consumers operate one level up from plants and eat only plants

small crustaceans as primary consumers

antelopes as primary consumers

mice are the primary consumers

Explanation:

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True or false? You can follow the progress of a reaction that produces a gas using a sensitive mass

sasho [114]

Answer:

true

Explanation:

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3 years ago

Use one of your experimentally determined values of k, the activation energy you determined, and the Arrhenius equation to calcu

stealth61 [152]

Answer:

Explanation:

Use one of your experimentally determined values of k, the activation energy you determined, and the Arrhenius equation to calculate the value of the rate constant at 25 °C. Alternatively, you can simply extrapolate the straight line plot of ln(k) vs. 1/T in your notebook to 1/298 , read off the value of ln(k), and determine the value of k. Please put your answer in scientific notation. slope=-12070, Ea=100kJ/mol, k= 0.000717(45C), 0.00284(55C), 0.00492(65C), 0.0165(75C), 0.0396(85C)

Explanation;

According to Arrhenius equation:

i.e. ln(k2/k1) = -Ea/R (1/T2 - 1/T1)

Where, k1 = 0.000717, T1 = 45 oC = (45+273) K = 318 K

T2 = 25 oC = (25 + 273) K = 298 K

i.e. ln(k2/0.000717) = -12070 (1/298 - 1/318)

i.e. ln(k2/0.000717) = -2.54738

i.e. k2/0.000717 = $e^{-2.54738}$