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Ipatiy [6.2K]
3 years ago
5

The net force on a 300 kg lion is 3452 N as he runs after a deer. What is the lion's acceleration?

Chemistry
1 answer:
olga_2 [115]3 years ago
7 0
It’s 11.5m/s2 I think
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A block of aluminum occupies a volume of 0.015 L and has a mass of 40.5 g. What is its density
yan [13]

Answer:

<h2>Density = 2700 g/L</h2>

Explanation:

Density of a substance can be found by using the formula

Density =  \frac{mass}{volume}

From the question

volume = 0.015 L

mass = 40.5 g

Substitute the values into the above formula and solve for the Density

That's

Density =  \frac{40.5}{0.015}

We have the final answer as

Density = 2700 g/L

Hope this helps you

7 0
3 years ago
When 0.250 moles of a gas is placed in a container at 298K, it exerts a pressure of 93kPa. What is the volume of the container?
Drupady [299]
I think is c , I’m not sure
4 0
3 years ago
When 2.50 g of an unknown weak acid (ha) with a molar mass of 85.0 g/mol is dissolved in 250.0 g of water, the freezing point of
baherus [9]
When dT = Kf * molality * i
                = Kf*m*i
and when molality = (no of moles of solute) / Kg of solvent
                               = 2.5g /250g x 1 mol /85 g x1000g/kg
                               =0.1176 molal
and Kf for water = - 1.86 and dT = -0.255
by substitution 
0.255 = 1.86* 0.1176 * i
∴ i = 1.166
when the degree of dissociation formula is: when n=2 and  i = 1.166
a= i-1/n-1 = (1.166-1)/(2-1) = 0.359 by substitution by a and c(molality) in K formula
∴K = Ca^2/(1-a)
     = (0.1176 * 0.359)^2 / (1-0.359)
     = 2.8x10^-3



5 0
3 years ago
The following is a sample question for brainliest. Brainliest will be given to the person who can answer the following question
Amanda [17]

Answer:

Chemistry is the branch of science that deals with the properties, composition, and structure of elements and compounds, how they can change, and the energy that is released or absorbed when they change. Traditionally, chemistry has been broken into five main subdisciplines: Organic, Analytical, Physical, Inorganic and Biochemistry. Chemistry is involved in everything we do. The reason why chemistry touches everything we do is because almost everything in existence can be broken down into chemical building blocks.

Explanation:

Hope this helps

8 0
3 years ago
Which location represents a period on a Periodic Table?   A. a vertical row   B. a horizontal row   C. a diagonal row on the per
prohojiy [21]
The periods inside the Periodic Table is B. a horizontal row, and is numbered 1 through 7


hope this helps
7 0
3 years ago
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