Question

what is endothermic change ????​

Answer 1

Answer:

An endothermic process is any process with an increase in the enthalpy H (or internal energy U) of the system. In such a process, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system

Answer 2

$\huge\red{\boxed{\mathscr{Solution}}}$

ᴡʜᴇɴ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ᴄʜᴀɴɢᴇ ᴛᴀᴋᴇs ᴘʟᴀᴄᴇ ᴡɪᴛʜ ᴛʜᴇ ᴀʙsᴏʀᴘᴛɪᴏɴ ᴏғ ʜᴇᴀᴛ ᴇɴᴇʀɢʏ, ᴛʜᴇɴ ᴛʜᴇ ᴄʜᴀɴɢᴇ ɪs sᴀɪᴅ ᴛᴏ ʙᴇ ᴇɴᴅᴏᴛʜᴇʀᴍɪᴄ.

$\huge{\purple{\underline{\red{\mathscr{CoттoɴCαɴdy࿐}}}}}$