Ilovetsumtsum2027 Ilovetsumtsum2027

14-12-2022
Chemistry

Answered

Determine whether each statement below is true or false about the chemical reaction for combining hydrogen and oxygen gas to make water: 2H2 + O2 --> 2H2O + 572 kJ. true: This reaction is exothermic. true: The H2 bond and O2 bond are weaker than the OH bonds in water.

Answer :

Other Questions

2H₂ + O2 --> 2H₂O What mass of oxygen gas (O₂) is required to produce 16 grams of water (H₂O)?

2H2 + O2 --> 2H₂O What mass of oxygen gas (O₂) is required to react completely with 0.81 grams of hydrogen gas (H₂)?

410A is a commonly used refrigerant. What is the energy change when 100. g of 410A goes from -40.0 °C to -60.0 °C? Heating Curve Data for Coolant 410a Boiling P

410A is a commonly used refrigerant. What is the energy change when 100. g of 410A goes from -40.0 °C to -60.0 °C? Heating Curve Data for Coolant 410a Boiling P

Nickel metal can be prepared by the reduction of nickel oxide: NiO(s)+CO(g)⇌CO2(g)+Ni(s) At 936 K, K p = 4.54 × 103 and at 1125 K, K p = 1.58 × 103. Which state

Question 3 (6 points) Magnesium metal reacts quantitatively with oxygen to give magnesium oxide, MgO. If 5.00 g of Mg and 5.00 g of O2 are allowed to react, wh

1. When NaCl are dissolved in water, the freezing point is found to be - 0.26°C. What is the osmolarity for this solution?The Kf for water is 1.86.NEED ASAP

for a particular first order reaction, the rate constant at a temperature of 300k is measured to be k

Match the following. The negative log of the hydrogen ion concentration of a 1. solution; a scale ranging from 0 to 14 with 7 being neutral, values less than 7,

an organic compound of molecular formula c3h6o there are 2 compounds having same formula A has fruity smell while B release hydrogen with mg identify a and b an