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timofeeve [1]
3 years ago
9

Weight measures

Chemistry
1 answer:
jasenka [17]3 years ago
5 0

Answer: D) The effect of gravity on an object

Explanation: We're not talking about mass, we're talking about weight. Weight is measured by the force of gravity on a object. For examples, you might be 100 pounds on Earth but 12 pounds on the moon.

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Which is NOT a property of metals? Group of answer choices luster brittleness conductivity ductility
ki77a [65]

Answer:

wait i am kinda counfuesd

Explanation:

5 0
3 years ago
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How are different ions determined?
dimulka [17.4K]
So basing on my understanding of this so far, an atom is an element that has the same number of protons and neutrons, an ion is an element that has different numbers of protons and electrons, an ion is positive when it has more protons than electrons and negative when it has more electrons than ions .
6 0
3 years ago
What is the equilibrium constant expression for the reaction below?<br> H2 (g) + I2 (g) → 2 HI(g)
brilliants [131]
<h3>Further explanation</h3>

Given

Reaction

H₂ (g) + I₂ (g) → 2HI(g)

Required

The equilibrium constant

Solution

The equilibrium constant is the value of the product in the equilibrium state of the substance in the right (product) divided by the substance in the left (reactant) with the exponents of each reaction coefficient

The equilibrium constant for reaction  

pA + qB ⇒ mC + nD  

\large {\boxed {\bold {K ~ = ~ \frac {[C] ^ m [D] ^ n} {[A] ^ p [B] ^ q}}}}

So for the above reaction :

\tt K=\dfrac{[HI]^2}{[H_2][I_2]}

8 0
3 years ago
Find the no of atoms of Fe in 2 moles of Fe<br>​
steposvetlana [31]

Answer:

1mole of any substance contains 6.022x10²³atoms

2moles of Fe will contain

2x6.022x10²³atoms = 1.204x10²⁴atoms.

Have a Great day!

7 0
3 years ago
Lead has a density of 11.3 g/cm3. what is the volume of a 15.1 g block of lead?
Crank
Hey there:

density = 11.3 g/cm³

mass = 15,1 g

Therefore: 

D = m / V

11.3 = 15.1 / V

V = 15.1 / 11.3

V = 1.336 cm³
8 0
3 years ago
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