Equal volumes, 50.0 mL, of 0.54897 M solution of HCI and 0.9573 M NaOH solutions having an initial temperature of 18.5 °C react in a coffee-cup calorimeter. The resultant solution records a temperature of
22.9 °C. Since the solutions are mostly water, the solutions are assumed to have a density of 1.0 g/mL and a
specific heat of 4.184 J/g °C. The heat capacity of the calorimeter is 1.0 x 10'J/°C.
Calculate
Delta Hrxn (kJ/mol)

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

it would be d. henry moseley

hope this !

and sorry if i'm late. have a good rest of your day! : d

hey there!

mass = 6.75 g

volume =   9 cm³

therefore:

d = mass / volume

d   = 6.75 / 9

d = 0.7 g/cm³

answer b