ineedhelp93962 ineedhelp93962

25-04-2024
Chemistry

contestada

2.5137g of Mg(NO₃)₂ is added to 25.0 ml of H₂O at 22.5 C in a calorimeter. The temperature of the solution rises to 34.8 C. Calculate the heat of the surroundings
a. -1.415 KJ
b. -129.4 KJ
c. 1.415 KJ
d. 1287 KJ
e. 129.4 KJ

Respuesta :

Otras preguntas

What is the value of x enter your answer in the box

Please Help Me Out:D

6–[(−3)+(−7)]–[(−1)–(−5)–(−8)]

Using the given points, determine Δy. (-3, -5) and (0, 10) Δy = 3 Δy = 5 Δy = 13 Δy = 15

Suppose that a and b are integers, a ≡ 11 ( mod 19), and b ≡ 3 ( mod 19 ) .find integer c with0 ≤ c ≤ 18 such that a.c ≡ 13 a ( mod19). b.c ≡ 8 b( mod19). c.c ≡

Which statement correctly distinguishes between a closed circulatory system and an open circulatory system? An open system does not have vessels, but a closed s

You need to buy some new bike tyres. You shop around and find the best deal is in the next town. Strong Leg Cycle Tyres £23.90 per tyre plus £3.50 per order Ho

please help on this one?

who was a English businessman who lived in southern Africa

I need help please????