You make the following measurements of an object: 42 kg and 22 m3. what would the object’s density be? show your work for credit and include final units

What type of reaction is zn + cucl2 → cu + zncl2?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol