Avolcanologist noted that a lahar rushed down a mountain at 32.2 kilometers per hour, south. how far did
the mud flow in 17.5 minutes?

Distance = 9.40 Km

Explanation:

Given data:

Velocity = 32.2 Km/hr

Time = 17.5 min

Distance = ?

Solution:

17.5 /60 =0.292 hr

Formula:

Velocity = distance / time

Distance = velocity× time

Distance = 32.2 Km/hr ×0.292 hr

Distance = 9.40 Km

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explanation:

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.