Mixed sulfur (a yellow solid) with iron filings (a black solid) in a ceramic dish called a crucible. Then he separated them using a magnet. What kind of a change is this?

Scientists can make atoms of large elements which have not been previously known. Identify an element that would have similar properties to an atom that has 118 protons.

Read the following summary of the article The United Nations Climate Action Summit was met with angry youth prone of action against climate change by the world's most power ale change by the world's most powerful countries.

During dry whether, clothes made of synthetic often stick to the skin. Which type of force is responsible for this

How would you create an ion with a - 1 charge comparing number of electrons and protons

Which correctly states the temperature at which the reaction took place and whether the reaction is spontaneous or nonspontaneous? Use G = H - TS.

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.

Explain the problem surrounding the ammonia-making process in terms of chemical equilibrium. Chemical equation for producing ammonia: N2 + 3H2 ⇌ 2NH3 + energy

How many Joules are equivalent to 75 Calories?

How do you balance nuclear equations?