WebExpert Answer. 7 A gas is formed in the reaction shown below. The gas laws can help determine the volume of gas produced. Zn (s) + 2 HCl (aq) → ZnCl + H (9) 0) CO > Assume that 175.0 grams of Zn was used in this reaction. To determine the number of moles of hydrogen gas formed, you need to know the number of moles of Zn reactant was used. WebAnswer: If 408.2 coulombs was used in an electrolytic cell, how many grams of Zn would we expect to be plated from a Zn 2+ solution onto an electrode? Answer: Expert Answer In …
Solved If 408.2 coulombs was used in an electrolytic cell, - Chegg
WebZinc is essential for all living things, forming the active site in over 20 metallo-enzymes. The average human body contains about 2.5 grams and takes in about 15 milligrams per day. Some foods have above average levels of zinc, including herring, beef, lamb, sunflower … Element Gallium (Ga), Group 13, Atomic Number 31, p-block, Mass 69.723. … The analysis of a curious metal ornament found in the tomb of Chou-Chu, a … Hydrogen also has many other uses. In the chemical industry it is used to make … Element Vanadium (V), Group 5, Atomic Number 23, d-block, Mass 50.942. … Element Helium (He), Group 18, Atomic Number 2, s-block, Mass 4.003. … Titanium metal has some very valuable properties. In practice, it is pretty … We each store about 20 grams in our bodies, mainly in the bones. Natural … Sodium is the sixth most common element on Earth, and makes up 2.6% of the … Element Nickel (Ni), Group 10, Atomic Number 28, d-block, Mass 58.693. … Element Krypton (Kr), Group 18, Atomic Number 36, p-block, Mass 83.798. … WebIn this video well learn to convert grams of Zinc (Zn) to moles and then convert the moles of Zinc to particles (atoms). The technique used can be applied to... cinthia hall
Altının gram fiyatı 1.250 lira seviyesinden işlem görüyor
WebASK AN EXPERT. Science Chemistry In the reaction, Zn + 2 HCl → ZnCl2 + H2, 25.0 grams of Zn are reacted with 17.5 g of HCI. How many grams of H2 will be produced? 0.48 grams of H2 O 0.38 grams of H2 0.77 grams of H2 O 25.0 grams of H2. In the reaction, Zn + 2 HCl → ZnCl2 + H2, 25.0 grams of Zn are reacted with 17.5 g of HCI. WebApr 1, 2024 · Zn + 2HCl = ZnCl2 + H2 from this you need to convert both masses given to moles. Zn= 26g/65.39g/mol= .40 moles Zn. HCl =42g/36.45/mol =1.16mol HCl. Looking … WebApr 5, 2024 · A: The question is based on the concept of IR spectroscopy. We need to analyse the spectra and identify…. Q: -10 The collision diameter of N₂ is 3.74 x 10 m at … cinthia hoefdraad