Which element changes a person’s voice when inhaled, making it sound much higher?
Sulfur hexafluoride the gas's large molar mass. Unlike helium, which has a molar mass of about 4 grams/mol and gives the voice a childish and a "chipmunk like" quality, has a molar mass of about 146 g/mol, and the speed of sound through the gas is about 134 m/s at room temperature, giving the voice a "demonic" quality when is inhaled. For comparison, the molar mass of air, which is about 80% nitrogen and 20% oxygen, is approximately 30 g/mol which leads to a speed of sound of 343 m/s. Sulfur hexafluoride has an anesthetic potency slightly lower than nitrous oxide. Sulfur
S Voice set of Web services. It is based on the Vlingo personal assistant. The Galaxy S5 and later Samsung Android devices, S Voice runs on Nuance instead of Vlingo. Some of the capabilities of S Voice include making appointments, opening apps, setting alarms, updating social network websites such as Facebook or Twitter and navigation. S Voice also offers multitasking as well as automatic activation features, for example, when the car engine is started. In a disclaimer that pops up on first opening S Voice, Samsung states that the app is provided by a third party which it does not name. In