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Lerok [7]
3 years ago
6

HELLPPPPPPPPPP!!!!!! ITS 100”””” pointsssssssskkkfkdkskss help help

Chemistry
1 answer:
Allushta [10]3 years ago
3 0

Answer:

Which question or all of them?

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The specific heat of aluminum and plastic are 0.800 J/g.°C and 1.600 J/g.°C respectively. If it takes about 36minutes for a plas
blagie [28]

Answer:

mc \alpha t

mass=m

c=specific heat capacity

\alpha t

change in temperature

8 0
2 years ago
4HCl + O2 ⇌ 2H2O + Cl2
Arada [10]

Answer:

The rate of forward reaction increases.

Explanation:

  • Le Châtelier's principle states that <em>when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.</em>

Increasing the volume of oxygen:

will increase the concentration of oxygen (reactants), so the equilibrium will be shifted to the right side (products side) to suppress the effect of increasing the volume of oxygen.

<em>So, the right choice is: The rate of forward reaction increases. </em>

<em></em>

7 0
3 years ago
What are the chemical symbols for the elements calcium, carbon, and chlorine respectively? es
laiz [17]
The answer is letter c
7 0
3 years ago
1. Except for special cases such as peroxides, oxygen has an oxidation number of _______ in compounds. A. +2 B. –1 C. +1 D. –2
egoroff_w [7]

Answer:

<em>The</em><em> </em><em>Typical</em><em> </em><em>Oxidation</em><em> </em><em>number</em><em> </em><em>of</em><em> </em><em>Oxygen</em><em> </em><em>is</em><em> </em><em>–</em><em>2</em><em>.</em>

<em>And</em><em> </em><em>as</em><em> </em><em>the</em><em> </em><em>question</em><em> </em><em>said</em><em>.</em><em>.</em><em>.</em><em> </em><em>its</em><em> </em><em>Oxidation</em><em> </em><em>changes</em><em> </em><em>to</em><em> </em><em>–</em><em>1</em><em> </em><em>when</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>in</em><em> </em><em>Peroxides</em><em> </em><em>and</em><em> </em><em>–</em><em>½</em><em> </em><em>w</em><em>h</em><em>e</em><em>n</em><em> </em><em>i</em><em>t</em><em>s</em><em> </em><em>i</em><em>n</em><em> </em><em>SuperOxides</em><em>.</em>

<em>Correct</em><em> </em><em>Answer</em><em> </em><em>:</em><em> </em><em>Option</em><em> </em><em>D</em><em>.</em>

7 0
3 years ago
Label the marrow, spongy bone, and cortical bone on this bone image.
madreJ [45]

Explanation:

this is the correct answer

just down of compact bone there is spongy bone

mark me

7 0
3 years ago
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