Hoà tan 8g MgO trong 87.6g dd HCl 25%. a. Tính khối lượng muối tạo thành
b. Tính nồng độ phần trăm các dung dịch thu được sau phản ứng

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)