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kondaur [170]
3 years ago
13

HELP MEE

Chemistry
2 answers:
aniked [119]3 years ago
6 0

Answer:

Cedar, mahogany, red wood or something else is fine, but the only downside is that it will cost you more. However, a project that is partially or fully exposed to the elements, something more than normal lumber is a must. The most cost effective method is to use pressure treated lumber.

Explanation:

Murrr4er [49]3 years ago
3 0

Answer:

What he/she said ↑↑↑↑

Explanation:

This is because if you play in the summer it becomes very hot, and your body would burn

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eleanor wants to show her class a comparison of melting rates between two different solids when he is applied why would a graph
sashaice [31]

Eleanor wants to show her class a comparison of melting rates between two different solids when heat is applied. A graph would be more suitable than a table to show her data because the she can see the trend line of the effects of melting than the table.

7 0
3 years ago
Although both N2 and 02 are naturally present in the air we breathe, high levels of NO and NO2 in the atmosphere occur mainly in
joja [24]

Answer:

(a) Increasing the temperature adds heat which is a reactant shifting the equilibrium rightwards.

(b) Pressure has no effect since the change in the number of moles is zero.

Explanation:

Hello,

In this case, one could represent the given reaction as:

N_2(g)+O_2(g)+ \Delta _rH \leftrightarrow 2NO

Since it is endothermic. Thus, solving the (a) statement, one identifies the heat as a reagent, that is why the reaction cools down as it progress, therefore, by increasing the temperature, heat is added, that is, a reagent is added, which shifts the equilibrium rightwards, in other words, more NO is produced so its concentration increases.

Furthermore, for the (b) statement, since the change in the number of moles is zero, based on the stoichiometric coefficients as shown below:

\Delta \nu =2-1-1=0

Such value implies that the pressure has no effect on the concentration, taking into account the following form of the law of mass action:

Kp=Kc(RT)^{\Delta \nu }

Thus, since \Delta \nu =0, Kp=Kc, so no effect in concentration is due to the pressure.

Best regards.

6 0
3 years ago
You observe that the hair on your head stands up when a charged balloon is brought near without touching your head. Based on thi
Andrej [43]

Answer:

yes it can be attracted without touching The electric force is a non-contact force. Any charged object can exert this force upon other objects - both charged and uncharged objects.

Explanation:

7 0
3 years ago
A centimeter and millimeter differ from each other by a factor of _____ ?
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The answer is:  "10" .
_______________________________________________________________
  " A centimeter and millimeter differ from each other by a factor of "10" .
_______________________________________________________________
Note:
____________________________
100 cm = 1 m


1000 mm = 1m

____________
100 * (10) = 1000 .
_________________
The answer is:  "10".
__________________________________________________________
  " A centimeter and millimeter differ from each other by a factor of "10".
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