5 points 15. Given the formula below: What is the change in the water's freezing
point when 75 grams of NaCl is added to 400 grams of H20? (Kf water -
1.86 C/m) *
Change in Temp = - ix K, x m
- 0.119 ° C
- 1.19 ° C
O A
B.
- 11.9°C
- 119°C
C

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

What type of matter is made of only one kind of atom

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride