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[MidB] Ali has mastered asking for help when putting on his shoes. His therapist, Jennifer, now wants to teach him to ask for help with other tasks, such as reaching toys on a top shelf or opening containers. Which teaching method would be best for Jennifer to use?

What is the density of nitrogen dioxide gas (g/L) contained in a 4.77 L pressure tank at 738.4 mm Hg and 45.0 °C?

0.7515 moles of nitrogen gas and 0.1135 moles of methane gas are placed in a 171.6 ml container at 20.8 °C. What is the partial pressure (atm) of methane gas?

[MidB] Denise is a client working on her conversation skills. During an entire 5-minute conversation with a peer, Denise currently makes about 5 relevant comments. The behavior analyst is providing Denise a reinforcer if and only if Denise now makes at least 6 relevant comments during an entire 5-minute conversation with a peer. This example illustrates which of the following?

Sure

[MidB] Emir is using discrete-trial teaching to teach his client matching-to-sample tasks. He delivers a favorite snack after an average of ten correct responses. Based on this program type, how should Emir assess his client’s preferences?

How much faster does 79Br2 effuse than 81Br2?

What is the rms speed (m/s) of NO2 at 28.4 °C?

[MidB] Mary spreads several toys and activities across an otherwise empty room. She brings her client, Kash, into the room and records how long he engages with each item. She records that he played with the cars for 3 minutes, played with the action figures for 1 minute, and played with the light-up balls for 12 minutes. Mary creates a hierarchy of preferences based on the duration of engagement. What type of preference assessment method is Mary using?

The pressure exerted by 1.0 mol of gas in a 13 L flask at 22 °C is ________ kPa.