Chemistry Middle School

In addition to how much force Earth exerts on the object, which features of an object affect its weight?
O mass and location of the object
O shape and location of the object
O location of the object and how much energy the object has
O mass of the object and how much energy the object has

Answers

Answer 1

Answer:

mass of the object and how much energy the object has

Explanation:

because location doesn't affect an objects weight

Answer 2

Answer: D

Explanation:

mass of the object and how much energy the object has

Related Questions

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Answers

4. Obsidian - rapid cooling when lava flows into water.

Granite - very slow cooling such as what occurs when magma is trapped beneath Earth's surface.

Basalt - cooling when lava flows over land

5. They are slightly simplistic and rock formation is not limited to only these methods.

6. They give a general overview of how a certain type of rock may be formed and how to identify them from a basic level based on their location.

Students in a chemistry class added 5 g of Zinc (Zn) to 50 g of hydrochloric acid (HCl). A chemical reaction occurred that produced zinc chloride (ZnCl2) and 6 g of hydrogen gas (H2).

Zn+ 2HCl → ZnCl2+H2

What is the mass of the zinc chloride?

Answers

Answer: 11 g

Explanation:

Zn + 2HCl    →   ZnCl₂ + H₂

Number of moles of Zn:

Number of moles = 5 g / 65.38 g/mol

Number of moles = 0.08 mol

Number of moles of HCl :  

Number of moles = 50 g / 36.5 g/mol

Number of moles = 1.4 mol

Compare the moles of both reactant with zinc chloride:

             Zn             :           ZnCl₂

              1             :             1

             0.08       :        0.08

           HCl          :         ZnCl₂

             2            :           1

            1.4          :         1/2×1.4 =0.7 mol

The number of moles of zinc chloride produced by Zn are less so it will limit reactants.

Mass of zinc chloride:

Mass = 0.08 mol × 136.3 g/mol

Mass = 11 g

The answer is 11
First you need to find the limiting reactant
n (Zn) = m/MM = 5/65.38 = 0.076 ≈ 0.08
ratio = moles/coefficient = 0.08/1 = 0.08

n(HCl) = m/MM = 50/36.45 = 1.37
ratio = moles/coefficient = 1.37/2 = 0.685

So the limiting reaction is Zn

0.08/1 = x/1
x= 0.08 moles of ZnCl2

Then u need to find the mass
m= n(MM) = 0.08 (136.28) = 10.9 ≈11

WILL MARK THE BRAINLEST

Answers

Answer:

a. Hh, hh

b. hh

c. 50%

d. 50%

C I think but if I’m wrong I’m really sorry

Which human body system creates the force that allows the body to move?
A.
musculoskeletal system
B.
nervous system
C.
respiratory system
D.
circulatory system

Answers

Musculoskeletal system because the mussels help move your bones.
A musculoskeletal system

please help!

a b c or d

Answers

Answer:

A glass pane / A.

Explanation:

Examples of insulators include plastics, Styrofoam, paper, rubber, glass and dry air. The division of materials into the categories of conductors and insulators is a somewhat artificial division.

Answer:

the answer is A

Explanation:

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