4 years ago

PLS HELP ASAP

Chemistry

1 answer:

romanna [79]4 years ago

3 0

Answer:

26.2 KJ of energy are absorbed for every mole of carbon reacted

Explanation:

Since the enthalpy change (∆H) is positive the reaction is endothermic, that is, one mole ofcarbon absorbs 26.2KJ of energy from the surrounding

You might be interested in

John traveled on a motorbike a distance of 1,500 meters north to get to the nearest shopping center. He then turned back south a

ivolga24 [154]

Answer:

50 Meters North

Explanation:

Displacement is the distance/direction from the start point to

the ending point, regardless of which route you took from the start to the end.

So, you would simply subtract:

1,500 meters North- 1,450 meters South= 50 meters North

5 0

3 years ago

Determine what ions are present when the following dissociates or ionizes in water. Include states of matter.

oksano4ka [1.4K]

Answer:

Cation is hydrogen ion or proton

Anion is chloride ion

Explanation:

Arrhenius theory:-

The Arrhenius theory was introduced introduced by Swedish scientist named Svante Arrhenius in 1887.

According to the theory, acids are the substances which dissociate in the aqueous medium to produce electrically charged atoms ( may be molecule). Out of these species furnished, one must be a proton or the hydrogen ion, $H^+$ .

Thus, HCl dissociate as:-

$HCl\rightarrow H^++Cl^-$

Thus, cation is hydrogen ion or proton

Anion is chloride ion

8 0

3 years ago

What is an ion? Write its types with example.

seraphim [82]

Answer:

an ion is an element that carries either positive or negative charge. the example are cation which has a positive charge e.g H+ and anion which had a negative charge eg Cl-.

8 0

3 years ago

Read 2 more answers

Imagine a drop of oil in water. If you add a surfactant, explain how the surfactant molecules organize themselves around the oil

Annette [7]

<span>the hydrophobic portions would surround the oil and hydrophilic would surround the water... for either</span>

8 0

4 years ago

Read 2 more answers

1. About how many Atlantic horseshoe crabs were caught in 2017?

zimovet [89]

Answer: