Severity: Warning
Message: fopen(/home/answnniz/public_html/system/sessions/ci_sessionf70b898cbc7435e183802a7aa54a2257ac882323): failed to open stream: Disk quota exceeded
Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /home/answnniz/public_html/index.php
Line: 315
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /home/answnniz/public_html/system/sessions)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/answnniz/public_html/index.php
Line: 315
Function: require_once
What is the sign of ΔHsolnΔHsoln, and how will the temperature change when a solute dissolves with the following enthalpy changes? ΔHsolute−soluteΔHsolvent−solventΔHsolute−solvent===+642kJ/mol+31kJ/mol−648kJ/mol