Answer is: S<span>AE standard that must be referred to on the label of approved HFC-134a refrigerant recycling machines are </span>J1770 and J2788.
<span>J1770 is to establish the specific minimum equipment requirements for recovery or recycling equipment intended for use with R134a.
</span>J2788 is intended to establish requirements for equipment used to recharge HFC-134a.<span />
Answer:
Here are 10 ways to start conserving energy yourself:
Adjust your day-to-day behaviors
Replace your light bulbs
Use smart power strips
Install a programmable thermostat
Use energy efficient appliances
Reduce water heating expenses
Install energy efficient windows
Upgrade your HVAC system
Weatherize your home
Insulate your home
Explanation:
all i really know is that STP (standard temperature and pressure) represents conventional conditions established by IUPAC with T = 273.15 K, P = 1 atm . Now putting these values of temperature and pressure at STP, we can calculate easily volume occupied by 1 mol of gas and which comes out to be 22.4 L. hope this helps
The answer would be G, a vacuum.
Explanation: Sound waves can't travel through a vacuum because a vacuum lacks air. Without air, no vibrations can occur and vibrations is a fundamental part for how sound is possible. Without it, sound waves can't travel.
Answer:
H2O acts as an oxidizing agent
