How many grams of HF will react with 9.99 g of Na2SiO3? * 16.57 g
13.10 g
24.33 g
30.00 g
(reaction in photo) ​

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

What is a property of a double replacement reaction

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .