2 years ago

Choose one side of the debate below, and form a brief argument supporting that side.

1 answer:

5 0

Answer:

Agriculture students Dave and Kevin are engaged in a debate. Dave believes that cows are the single most important species in worldwide agriculture today. Kevin disagrees, asserting that goats are the most important livestock animals in the world.

Explanation:

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True or false(Internal forces act on the outside of an object, and external forces act within an object.)

kkurt [141]

False I’m not sure exactly

4 0

2 years ago

1. NaOH mass of a solution of 200g in which its percentage is 25%. What mass of sulfuric acid solution is needed to completely n

Ede4ka [16]

Answer:

$m_{H2SO4$ = 61.25 g

$m_{Na2SO4}$ = 88.75 g

Explanation:

$m_{NaOH}$ = $\frac{200 . 25 }{100}$ = 50 g

⇒ $n_{NaOH}$ = $\frac{50}{40}$ = 1.25 (moles)

2NaOH + H2SO4 ⇒ Na2SO4 + 2H2O

2 : 1 : 1 : 2

1.25 (moles)

⇒ $n_{H2SO4}$ = 1.25 × 1 ÷ 2 = 0.625 (moles) ⇒ $m_{H2SO4}$ = 0.625 × 98 = 61.25 g

$n_{Na2SO4}$ = 1.25 × 1 ÷ 2 = 0.625 (moles) ⇒ $m_{Na2SO4}$ = 0.625 × 142 = 88.75 g

4 0

2 years ago

What is the density of an object with a mass of 16 g and 3.0 ml

fomenos

Answer:

D = 5.3 g/mL

Explanation:

Density = Mass over Volume

D = m/V

Step 1: Define

D = unknown

m = 16 g

v = 3.0 mL

Step 2: Substitute and Evaluate

D = 16 g / 3.0 mL

D = 5.333333333 g/mL

Step 3: Simplify

We have 2 sig figs.

5.333333333 g/mL ≈ 5.3 g/mL

6 0

3 years ago

Which of the following will allow measurement of a liquids volume with the greatest precision ?

Evgesh-ka [11]

I personally think that it’s C.
(i’m sorry if it’s wrong)

6 0

2 years ago

Read 2 more answers

Which of the following is an example of kinetic energy?

deff fn [24]

Answer:

A. The energy of moving particles near a fire

Explanation:

7 0

3 years ago