4. Compound X is a colourless liquid at room temperature, (a) A sample of pure X was slowly heated from -5.0 °C, which is below its melting point, to 90
*C, which is above its boiling point. Its temperature is measured every minute and the
results are represented on the graph.
F
90°C-
D
E

temperature
B
t°C
С
-5°C
time

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

How many moles of ccl4 are in 3.55l