US President Joe Biden plans to invite Japanese Prime Minister Yoshihide Suga to the White House for a summit meeting as soon as April, Axios reported Wednesday. If finalized, it would be Mr. Biden first face-to-face meeting with a foreign leader sin…
According to statistics, of the 92 chemical products in the first quarter, 83 chemical products rose in price, accounting for 90.21%. The average increase and decrease this season is +20.48%, the highest in the past three years. The prices of many pr…
Gasoline prices at gas stations in the second week of March rose 97.6 won from the previous week to 1,861.6 won per liter. Although the average price for a week did not exceed 1,900 won, the price in the second half of the week in Seoul exceeded 2,00…
Copper oxide has the chemical formula CuO. Copper oxide is a black copper oxide with a slightly amphoteric, and slight hygroscopic chemical formula. The molecular mass relative to the element is 79.545. Its density is 6.96.9 g/cm3, while its melting…